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Asus Zenwatch 3 WI503q Review | 126 Data compared

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  • Avg. price: ~£200
  • Screen size: 1.39 inch
  • Battery life: 1 day/s
  • Display type: AMOLED

Asus Zenwatch 3 WI503q review. Compare 126 technical specifications and user reviews to see how it ranks among smartwatches and if it is worth buying.

6.0

Overall score

What it is: An overall evaluation of the smartwatch's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best Smartwatches on the market.

Score components:

90.0%

5.9

Technical Score

10.0%

6.4

User score

Good
5.9

Technical Score

What it is: An assessment of the smartwatch's technical performance, covering eight key areas: performance & hardware, software, camera, connectivity, display, battery, audio, and design.

When it matters: When you want to compare Smartwatches based on technical performance and available features.

Score components:

24.0%

3.8

Health

21.0%

7.4

Fitness

16.0%

5.9

Battery

14.0%

8.5

Smart features

12.0%

3.7

Connectivity

9.0%

7.4

Display & Design

4.0%

5.3

Hardware

Good
6.4

User score

What it is: A rating that combines user reviews and the total number of reviews received by the smartwatch

When it matters: When you want to know how a smartwatch handles daily tasks and how reliable it remains over time according to user feedback.

Score components:

70.0%

7.6

User reviews

30.0%

3.6

Popularity

User score:
amazon
3.8
(63)

(Reviews last updated: Apr 2026)

Good
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    Best prices

    Best rankings

    ?

    Available: ranking among products currently available (including other versions of this product).
    All: ranking among all products in the database.

    Technical Specifications of smartwatch Asus Zenwatch 3 WI503q

    Technical Score

    What it is: An assessment of the smartwatch's technical performance, covering eight key areas: performance & hardware, software, camera, connectivity, display, battery, audio, and design.

    When it matters: When you want to compare Smartwatches based on technical performance and available features.

    Score components:

    24.0%

    3.8

    Health

    21.0%

    7.4

    Fitness

    16.0%

    5.9

    Battery

    14.0%

    8.5

    Smart features

    12.0%

    3.7

    Connectivity

    9.0%

    7.4

    Display & Design

    4.0%

    5.3

    Hardware

    5.9
    Asus Zenwatch 3 WI503q has a technical score of 5.91 points, which is lower than 58.3% of smartwatches.
    User score

    What it is: A rating that combines user reviews and the total number of reviews received by the smartwatch

    When it matters: When you want to know how a smartwatch handles daily tasks and how reliable it remains over time according to user feedback.

    Score components:

    70.0%

    7.6

    User reviews

    30.0%

    3.6

    Popularity

    User score:
    amazon
    3.8
    (63)

    (Reviews last updated: Apr 2026)

    6.4
    Asus Zenwatch 3 WI503q has a user score of 6.4 points, which is lower than 89.9% of smartwatches.
    Popularity
    What it is: An indicator based on the number of reviews received by the smartwatch.
    When it matters: When you prefer to purchase a product chosen and reviewed by many other consumers.
    3.6
    Asus Zenwatch 3 WI503q has a popularity of 3.6 points, which is higher than 54.3% of smartphones.
    Ratio quality/price

    What it is: An indicator that combines the smartwatch's overall rating with its cost.

    When it matters: When you are looking for a smartwatch with a good balance between quality and price.

    Score components:

    60.0%

    6.0

    Overall score

    40.0%

    9.5

    Price

    7.0
    Asus Zenwatch 3 WI503q has a quality-to-price ratio of 7 points, which is lower than 62.2% of smartphones.
    Brand name
    What it is: The company that designs, sells, and supports the watch.
    When it matters: When brand ecosystem, style, or support matters to you.

    Importance: MEDIUM

    Asus
    Heart rate monitor
    What it is: A built-in sensor that measures your pulse directly from the wrist.
    When it matters: When you want health data from your wrist during the day or night.

    Importance: HIGH

    yes
    Asus Zenwatch 3 WI503q includes a heart rate monitor. 90.4% of smartwatches include a heart rate monitor.
    Blood oxygen monitoring
    What it is: A wrist-based feature that estimates blood oxygen saturation over time.
    When it matters: When you want health data from your wrist during the day or night.

    Importance: HIGH

    no
    Asus Zenwatch 3 WI503q does not support blood oxygen monitoring. 64.4% of smartwatches support blood oxygen monitoring.
    Readings are for wellness use, not medical diagnosis.
    ECG
    What it is: The ability to record a single-lead electrocardiogram from the wrist.
    When it matters: When you want health data from your wrist during the day or night.

    Importance: HIGH

    no
    Asus Zenwatch 3 WI503q does not support ECG. 15.1% of smartwatches support ECG.
    Irregular heart rate warnings
    What it is: Notifications that flag heart-rate patterns which appear unusually irregular.
    When it matters: When you want health data from your wrist during the day or night.

    Importance: MEDIUM

    no
    Asus Zenwatch 3 WI503q does not support irregular heart rate warnings. 43.7% of smartwatches support irregular heart rate warnings.
    Show more
    Accelerometer
    What it is: A motion sensor that measures acceleration, steps, gestures, and general movement.
    When it matters: When you track workouts and want better training data.

    Importance: MEDIUM

    yes
    Asus Zenwatch 3 WI503q includes an accelerometer. 99.1% of smartwatches include an accelerometer.
    Barometer
    What it is: A pressure sensor used for altitude changes, elevation estimates, and weather-related context.
    When it matters: When you run, ride, hike, or navigate without relying on your phone.

    Importance: MEDIUM

    no
    Asus Zenwatch 3 WI503q does not include a barometer. 45.6% of smartwatches include a barometer.
    Gyroscope
    What it is: A motion sensor that measures rotation and helps interpret wrist movement more accurately.
    When it matters: When you track workouts and want better training data.

    Importance: MEDIUM

    yes
    Asus Zenwatch 3 WI503q includes a gyroscope. 64.6% of smartwatches include a gyroscope.
    Cadence sensor
    What it is: A sensor input used to measure step or pedal rhythm during training.
    When it matters: When you track workouts and want better training data.

    Importance: MEDIUM

    no
    Asus Zenwatch 3 WI503q does not include a cadence sensor. 20.1% of smartwatches include a cadence sensor.
    Distance tracking
    What it is: The ability to measure how far you move during walks, runs, rides, or other activities.
    When it matters: When you track workouts and want better training data.

    Importance: MEDIUM

    yes
    Asus Zenwatch 3 WI503q supports distance tracking. 95.7% of smartwatches support distance tracking.
    Show more
    Battery life
    What it is: The typical endurance the watch can deliver on a full charge under the stated usage pattern.
    When it matters: When you do not want to charge the watch too often.

    Importance: HIGH

    Good value: >=7 days

    1 day/s
    Asus Zenwatch 3 WI503q offers a battery life of 1 day/s which is shorter than that of 87.3% of smartwatches and equal to that of 8.6% of smartwatches.
    1 (with always-on.
    Battery life in training mode
    What it is: The expected endurance while workout tracking and related training functions are active.
    When it matters: When you do not want to charge the watch too often.

    Importance: HIGH

    Good value: >=36.8 h

    ?
    Battery life with GPS on
    What it is: The expected runtime when satellite tracking stays active throughout use.
    When it matters: When you do not want to charge the watch too often.

    Importance: HIGH

    Good value: >=35 h

    N/A
    Battery power
    What it is: The battery capacity, usually measured in milliampere-hours (mAh).
    When it matters: When you do not want to charge the watch too often.

    Importance: HIGH

    Good value: >=397 mAh

    341 mAh
    Asus Zenwatch 3 WI503q has a battery capacity of 341 mAh which is larger than the batteries in 63.5% of smartwatches of smartwatches.
    Charge time
    What it is: The time needed to recharge the battery from empty to full or to a stated percentage.
    When it matters: When you want to top up the battery quickly.

    Importance: HIGH

    Good value: <=102 min

    55 min
    Asus Zenwatch 3 WI503q charges in 55 min which is faster than 93.7% of smartwatches of smartwatches.
    Show more
    Operating system
    What it is: The software platform that runs the watch interface, apps, and core functions.
    When it matters: When you care about apps, features, and long-term support.

    Importance: HIGH

    Wear OS
    Asus Zenwatch 3 WI503q runs Wear OS which is more advanced than the operating system in 78.9% of smartwatches and the same as that in 16.7% of smartwatches.
    OS detail: Wear OS (2.0).
    Software update frequency
    What it is: Shows how actively the watch is still updated: regular means ongoing updates throughout active support, occasional means updates every few months or only from time to time, and ended means active software support has mostly stopped.
    When it matters: When you care how actively the watch is still supported with fixes, patches, and new features.

    Importance: MEDIUM

    ended
    Asus Zenwatch 3 WI503q has ended software update support which is equal to that of 57.5% of smartwatches.
    Updates appear infrequent or sporadic.
    Third-party app support
    What it is: Support for installing or using apps from developers beyond the watch maker.
    When it matters: When you care about apps, features, and long-term support.

    Importance: MEDIUM

    yes
    Asus Zenwatch 3 WI503q supports third-party apps. 47.6% of smartwatches support third-party apps.
    Notifications
    What it is: Mirroring of calls, messages, apps, or other alerts on the watch.
    When it matters: When you want to check alerts without taking out your phone.

    Importance: MEDIUM

    yes
    Asus Zenwatch 3 WI503q supports notifications. 99.9% of smartwatches support notifications.
    Voice assistant support
    What it is: Support for a voice assistant that can answer queries or trigger actions from the wrist.
    When it matters: When you want to control the watch or reply without typing.

    Importance: MEDIUM

    yes
    Asus Zenwatch 3 WI503q supports voice assistants. 68% of smartwatches support voice assistants.
    Show more
    Cellular module
    What it is: Built-in mobile connectivity that can keep the watch online away from the phone.
    When it matters: When you want calls, messages, or data without your phone nearby.

    Importance: HIGH

    no
    Asus Zenwatch 3 WI503q does not include a cellular module. 17.2% of smartwatches include a cellular module.
    SIM cards
    What it is: The number or type of SIM options the watch accepts for cellular service.
    When it matters: When you want calls, messages, or data without your phone nearby.

    Importance: LOW

    Good value: eSIM support

    0
    GPS
    What it is: Built-in satellite positioning that lets the watch record location during outdoor activity.
    When it matters: When you run, ride, hike, or navigate without relying on your phone.

    Importance: HIGH

    no
    Asus Zenwatch 3 WI503q does not support GPS. 56.1% of smartwatches support GPS.
    Galileo support
    What it is: Support for Galileo satellites alongside other positioning systems.
    When it matters: When you run, ride, hike, or navigate without relying on your phone.

    Importance: MEDIUM

    no
    Asus Zenwatch 3 WI503q does not support Galileo navigation. 38.7% of smartwatches support Galileo navigation.
    No built-in GPS; uses connected phone GPS.
    Compass
    What it is: A directional sensor that helps the watch determine heading and orientation.
    When it matters: When you run, ride, hike, or navigate without relying on your phone.

    Importance: MEDIUM

    yes
    Asus Zenwatch 3 WI503q includes a compass. 49.3% of smartwatches include a compass.
    Show more
    Screen size
    What it is: The diagonal measurement of the visible display area, usually expressed in inches.
    When it matters: When you want the screen to be easy to read at a glance.

    Importance: HIGH

    Good value: >=1.5 inch

    1.39 inch
    Asus Zenwatch 3 WI503q has a screen size of 1.39 inch which is smaller than the screens of 51% of smartwatches and equal to those of 9.6% of smartwatches.
    Display type
    What it is: The screen technology used by the watch, such as AMOLED, OLED, or memory-in-pixel LCD.
    When it matters: When you want the screen to be easy to read at a glance.

    Importance: HIGH

    AMOLED
    Asus Zenwatch 3 WI503q uses a AMOLED display type which is more advanced than that of 48.8% of smartwatches and the same as that of 51.3% of smartwatches.
    Resolution
    What it is: The total number of pixels available on the watch display.
    When it matters: When you want the screen to be easy to read at a glance.

    Importance: MEDIUM

    Good value: >=416 x 416

    400 x 400
    Asus Zenwatch 3 WI503q has a display resolution of 400 x 400 which is higher than that of 69.4% of smartwatches and equal to that of 2.8% of smartwatches.
    Pixel density
    What it is: The number of pixels packed into each inch of the display.
    When it matters: When you want the screen to be easy to read at a glance.

    Importance: MEDIUM

    Good value: >=326 ppi

    407 ppi
    Asus Zenwatch 3 WI503q has a pixel density of 407 ppi which is higher than that of 70.2% of smartwatches and equal to that of 1.8% of smartwatches.
    Display brightness
    What it is: The peak brightness the display can reach, usually expressed in nits.
    When it matters: When you want the screen to stay readable outdoors and in strong sunlight.

    Importance: HIGH

    Good value: >=1000 nits

    ?
    Show more
    CPU speed
    What it is: The clock speed of the watch processor, usually expressed in GHz or MHz.
    When it matters: When you want apps and menus to feel smooth.

    Importance: MEDIUM

    Good value: Modern standard

    1.1 GHz
    Asus Zenwatch 3 WI503q uses a CPU configuration of 1.1 GHz which is faster than that in 60.8% of smartwatches of smartwatches.
    Processor model
    What it is: The processor model is the chipset or SoC that powers the watch's performance, connectivity, and efficiency.
    When it matters: When you care about app responsiveness, platform generation, and long-term feature support.

    Importance: LOW

    Good value: modern smartwatch chipset

    Snapdragon Wear 2100
    Asus Zenwatch 3 WI503q uses the Snapdragon Wear 2100 processor model.
    RAM
    What it is: The amount of working memory available for apps, watch faces, and background tasks.
    When it matters: When you want apps and menus to feel smooth.

    Importance: MEDIUM

    Good value: >=1 GB

    0.5 GB
    Asus Zenwatch 3 WI503q has 0.5 GB of RAM which is smaller than the RAM in 72.6% of smartwatches and equal to that of 19.2% of smartwatches.
    Internal storage
    What it is: Built-in storage for apps, music, watch faces, and other local data.
    When it matters: When you want more room for apps, music, or offline data.

    Importance: MEDIUM

    Good value: >=8 GB

    4 GB
    Asus Zenwatch 3 WI503q uses 4 GB for internal storage which is larger than that of 40.5% of smartwatches and equal to that of 26.9% of smartwatches.
    External memory slot
    What it is: A slot for expandable storage such as a memory card, if the watch provides one.
    When it matters: When you want more room for apps, music, or offline data.

    Importance: LOW

    no
    Asus Zenwatch 3 WI503q does not include an external memory slot. 0.3% of smartwatches include an external memory slot.
    Show more

    Asus Zenwatch 3 WI503q vs the average smartwatch

    • 65 min shorter charge time
      Asus Zenwatch 3 WI503q charges faster than the average smartwatch (55 min vs 120 min). The average smartwatch charges in 120 min.
      What it is: The time needed to recharge the battery from empty to full or to a stated percentage.
      When it matters: When you want to top up the battery quickly.

      Importance: HIGH

      Good value: <=102 min

      Asus Zenwatch 3 WI503q charges faster than the average smartwatch (55 min vs 120 min). The average smartwatch charges in 120 min.55 min vs 120 min
    • More advanced operating system
      Asus Zenwatch 3 WI503q runs a more advanced operating system than the average smartwatch (Wear OS vs Proprietary OS).
      OS detail: Wear OS (2.0).
      What it is: The software platform that runs the watch interface, apps, and core functions.
      When it matters: When you care about apps, features, and long-term support.

      Importance: HIGH

      Asus Zenwatch 3 WI503q runs a more advanced operating system than the average smartwatch (Wear OS vs Proprietary OS).Wear OS vs Proprietary OS
    • Supports Emergency SOS
      Asus Zenwatch 3 WI503q includes Emergency SOS, the average smartwatch does not. 42.4% of smartwatches include Emergency SOS.
      SOS feature has implementation limits (phone/app/subscription/activity dependent).
      What it is: An emergency feature that can contact help or alert trusted people from the watch.
      When it matters: When you want extra help in an emergency.

      Importance: HIGH

      Asus Zenwatch 3 WI503q includes Emergency SOS, the average smartwatch does not. 42.4% of smartwatches include Emergency SOS.
    • Supports third-party apps
      Asus Zenwatch 3 WI503q supports third-party apps, the average smartwatch does not. 47.6% of smartwatches support third-party apps.
      What it is: Support for installing or using apps from developers beyond the watch maker.
      When it matters: When you care about apps, features, and long-term support.

      Importance: MEDIUM

      Asus Zenwatch 3 WI503q supports third-party apps, the average smartwatch does not. 47.6% of smartwatches support third-party apps.
    • Stronger display glass
      Asus Zenwatch 3 WI503q uses Corning Gorilla Glass 3 display glass, while the average smartwatch uses mineral glass.
      What it is: The glass material or protective cover used over the display.
      When it matters: When you want the screen to be easy to read at a glance.

      Importance: MEDIUM

      Good value: Sapphire or Gorilla Glass

      Asus Zenwatch 3 WI503q uses Corning Gorilla Glass 3 display glass, while the average smartwatch uses mineral glass.Corning Gorilla Glass 3 vs mineral glass
    • Has compass
      Asus Zenwatch 3 WI503q includes a compass, the average smartwatch does not. 49.3% of smartwatches include a compass.
      What it is: A directional sensor that helps the watch determine heading and orientation.
      When it matters: When you run, ride, hike, or navigate without relying on your phone.

      Importance: MEDIUM

      Asus Zenwatch 3 WI503q includes a compass, the average smartwatch does not. 49.3% of smartwatches include a compass.
    • Supports Wi-Fi
      Asus Zenwatch 3 WI503q supports Wi-Fi, the average smartwatch does not. 43.4% of smartwatches support Wi-Fi.
      What it is: Built-in Wi-Fi that lets the watch connect to wireless networks directly.
      When it matters: When you want the watch to work smoothly with your phone and accessories.

      Importance: MEDIUM

      Asus Zenwatch 3 WI503q supports Wi-Fi, the average smartwatch does not. 43.4% of smartwatches support Wi-Fi.
    • Has external HR monitor
      Asus Zenwatch 3 WI503q supports external heart rate monitor compatibility, the average smartwatch does not. 41.3% of smartwatches support external heart rate monitor compatibility.
      Supported through Wear OS or third-party apps.
      What it is: Compatibility with external chest straps or other heart-rate transmitters.
      When it matters: When you want the watch to work with fitness gear and other accessories.

      Importance: LOW

      Asus Zenwatch 3 WI503q supports external heart rate monitor compatibility, the average smartwatch does not. 41.3% of smartwatches support external heart rate monitor compatibility.
    • Has external HR monitor
      Asus Zenwatch 3 WI503q supports external heart rate monitor compatibility, the average smartwatch does not. 41.3% of smartwatches support external heart rate monitor compatibility.
    • 65 min shorter charge time
      Asus Zenwatch 3 WI503q charges faster than the average smartwatch (55 min vs 120 min). The average smartwatch charges in 120 min.
    • 41 mAh larger battery capacity
      Asus Zenwatch 3 WI503q has a larger battery capacity than the average smartwatch (341 mAh vs 300 mAh). The average smartwatch battery is 300 mAh.
    • Has compass
      Asus Zenwatch 3 WI503q includes a compass, the average smartwatch does not. 49.3% of smartwatches include a compass.
    • Supports Wi-Fi
      Asus Zenwatch 3 WI503q supports Wi-Fi, the average smartwatch does not. 43.4% of smartwatches support Wi-Fi.
    • Stronger display glass
      Asus Zenwatch 3 WI503q uses Corning Gorilla Glass 3 display glass, while the average smartwatch uses mineral glass.
    • 81 ppi higher pixel density
      Asus Zenwatch 3 WI503q has a higher pixel density than the average smartwatch (407 ppi vs 326 ppi). The average smartwatch display reaches 326 ppi.
    • Higher resolution
      Asus Zenwatch 3 WI503q has a display resolution of 400x 400, while the average smartwatch reaches 352x 430.
    • Better band material
      Asus Zenwatch 3 WI503q uses leather for the band material, while the average smartwatch uses silicone.
    • Better case material
      Asus Zenwatch 3 WI503q uses stainless steel for the case material, while the average smartwatch uses polycarbonate.
    • 0.8 mm thinner watch body
      Asus Zenwatch 3 WI503q is thinner than the average smartwatch (10.8 mm vs 11.60 mm). The average smartwatch thickness is 11.60 mm.
    • More advanced operating system
      Asus Zenwatch 3 WI503q runs a more advanced operating system than the average smartwatch (Wear OS vs Proprietary OS).
    • Supports Emergency SOS
      Asus Zenwatch 3 WI503q includes Emergency SOS, the average smartwatch does not. 42.4% of smartwatches include Emergency SOS.
    • Supports third-party apps
      Asus Zenwatch 3 WI503q supports third-party apps, the average smartwatch does not. 47.6% of smartwatches support third-party apps.
    • Faster CPU speed
      Asus Zenwatch 3 WI503q uses a CPU configuration of 1.1 GHz, while the average smartwatch uses 1 GHz.

    Total
    Fitness
    Battery
    Connectivity
    Display & Design
    Smart features
    Hardware
    • No blood oxygen
      Asus Zenwatch 3 WI503q does not support blood oxygen monitoring, the average smartwatch does. 64.4% of smartwatches support blood oxygen monitoring.
      Readings are for wellness use, not medical diagnosis.
    • No stress monitoring
      Asus Zenwatch 3 WI503q does not support stress monitoring, the average smartwatch does. 65.4% of smartwatches support stress monitoring.
    • No elevation tracking
      Asus Zenwatch 3 WI503q does not support elevation tracking, the average smartwatch does. 62.7% of smartwatches support elevation tracking.
    • No coaching
      Asus Zenwatch 3 WI503q does not support coaching, the average smartwatch does. 51.8% of smartwatches support coaching.
    • No auto pause
      Asus Zenwatch 3 WI503q does not support auto pause, the average smartwatch does. 59.3% of smartwatches support auto pause.
    • No swim mode
      Asus Zenwatch 3 WI503q does not include a swim sport mode, the average smartwatch does. 74.9% of smartwatches include a swim sport mode.
      Swimming use is not recommended.
    • 76 fewer exercise profiles
      Asus Zenwatch 3 WI503q supports fewer exercise modes than the average smartwatch (4 vs 80). The average smartwatch supports 80 exercise modes.
    • 6 day/s shorter battery life
      Asus Zenwatch 3 WI503q offers 1 day/s of battery life, while the average smartwatch offers 7 day/s.
      1 (with always-on.
    • No GPS
      Asus Zenwatch 3 WI503q does not support GPS, the average smartwatch does. 56.1% of smartwatches support GPS.
    • Older Bluetooth version
      Asus Zenwatch 3 WI503q supports an older Bluetooth version than the average smartwatch (4.1 vs 5.0). The average smartwatch uses 5.0.
    • 49 m lower waterproof depth
      Asus Zenwatch 3 WI503q has a shallower waterproof rating than the average smartwatch (1 m vs 50 m). The average smartwatch reaches 50 m.
    • Lower IP rating
      Asus Zenwatch 3 WI503q has a lower IP rating than the average smartwatch (IP67 vs IP68).
    • 0.01 inch smaller screen size
      Asus Zenwatch 3 WI503q has a smaller screen size than the average smartwatch (1.4 inch vs 1.40 inch). The average smartwatch screen is 1.40 inch.
    • 0.5 GB less RAM
      Asus Zenwatch 3 WI503q has less RAM than the average smartwatch (0.5 GB vs 1 GB). The average smartwatch includes 1 GB of RAM.
    • 5 year/s older release date
      Asus Zenwatch 3 WI503q is an older model than the average smartwatch (2,016 vs 2,021). The average smartwatch was released in 2,021.
      December 2,016
    • No GPS
      Asus Zenwatch 3 WI503q does not support GPS, the average smartwatch does. 56.1% of smartwatches support GPS.
      What it is: Built-in satellite positioning that lets the watch record location during outdoor activity.
      When it matters: When you run, ride, hike, or navigate without relying on your phone.

      Importance: HIGH

      Asus Zenwatch 3 WI503q does not support GPS, the average smartwatch does. 56.1% of smartwatches support GPS.
    • No blood oxygen
      Asus Zenwatch 3 WI503q does not support blood oxygen monitoring, the average smartwatch does. 64.4% of smartwatches support blood oxygen monitoring.
      Readings are for wellness use, not medical diagnosis.
      What it is: A wrist-based feature that estimates blood oxygen saturation over time.
      When it matters: When you want health data from your wrist during the day or night.

      Importance: HIGH

      Asus Zenwatch 3 WI503q does not support blood oxygen monitoring, the average smartwatch does. 64.4% of smartwatches support blood oxygen monitoring.
    • 49 m lower waterproof depth
      Asus Zenwatch 3 WI503q has a shallower waterproof rating than the average smartwatch (1 m vs 50 m). The average smartwatch reaches 50 m.
      What it is: The stated depth or water-resistance class the watch is rated to withstand.
      When it matters: When you wear the watch in rain, sweat, or water.

      Importance: HIGH

      Good value: >=50 m

      Asus Zenwatch 3 WI503q has a shallower waterproof rating than the average smartwatch (1 m vs 50 m). The average smartwatch reaches 50 m.1 m vs 50 m
    • No stress monitoring
      Asus Zenwatch 3 WI503q does not support stress monitoring, the average smartwatch does. 65.4% of smartwatches support stress monitoring.
      What it is: Stress estimates derived from heart rate, HRV, or similar body signals.
      When it matters: When you want health data from your wrist during the day or night.

      Importance: HIGH

      Asus Zenwatch 3 WI503q does not support stress monitoring, the average smartwatch does. 65.4% of smartwatches support stress monitoring.
    • No elevation tracking
      Asus Zenwatch 3 WI503q does not support elevation tracking, the average smartwatch does. 62.7% of smartwatches support elevation tracking.
      What it is: Tracking of climbed, descended, or current elevation during activities.
      When it matters: When you run, ride, hike, or navigate without relying on your phone.

      Importance: MEDIUM

      Asus Zenwatch 3 WI503q does not support elevation tracking, the average smartwatch does. 62.7% of smartwatches support elevation tracking.
    • Lower IP rating
      Asus Zenwatch 3 WI503q has a lower IP rating than the average smartwatch (IP67 vs IP68).
      What it is: A standardized ingress-protection code showing how well the watch resists dust and water.
      When it matters: When you wear the watch in rain, sweat, or water.

      Importance: HIGH

      Good value: IP68 or better

      Asus Zenwatch 3 WI503q has a lower IP rating than the average smartwatch (IP67 vs IP68).IP67 vs IP68
    • 6 day/s shorter battery life
      Asus Zenwatch 3 WI503q offers 1 day/s of battery life, while the average smartwatch offers 7 day/s.
      1 (with always-on.
      What it is: The typical endurance the watch can deliver on a full charge under the stated usage pattern.
      When it matters: When you do not want to charge the watch too often.

      Importance: HIGH

      Good value: >=7 days

      Asus Zenwatch 3 WI503q offers 1 day/s of battery life, while the average smartwatch offers 7 day/s.1 day/s vs 7 day/s
    • No coaching
      Asus Zenwatch 3 WI503q does not support coaching, the average smartwatch does. 51.8% of smartwatches support coaching.
      What it is: Guided training or wellness suggestions based on your data and habits.
      When it matters: When you track workouts and want better training data.

      Importance: LOW

      Asus Zenwatch 3 WI503q does not support coaching, the average smartwatch does. 51.8% of smartwatches support coaching.
    Total
    Overall
    Health
    Fitness
    Battery
    Connectivity
    Display & Design
    Hardware

    Graphic comparison of Asus Zenwatch 3 WI503q and other Smartwatches

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    Third-party reviews

    amazon
    3.8
    63 Reviews

    (Reviews last updated: Apr 2026)

    What customers like about Asus Zenwatch 3 WI503q?

    • Elegant and premium traditional watch-inspired design
    • Vibrant 1.39-inch AMOLED display with no 'flat tire' effect
    • HyperCharge technology providing 60% charge in about 15 minutes
    • Slim 9.95mm profile making it comfortable for various wrist sizes
    • Three customisable physical buttons for quick app access
    • IP67 water resistance suitable for rain and splashes

    What customers dislike about Asus Zenwatch 3 WI503q?

    • Lack of built-in GPS and heart rate monitor
    • Proprietary lugs that make using standard 3rd-party bands difficult
    • Inconsistent battery life that often requires daily charging
    • Occasional sluggish performance or lag with Android Wear software
    • Lack of NFC, preventing the use of mobile payment services like Google Pay
    • Fixed-angle band design can feel rigid on very small or non-standard wrists

    Expert reviews

    A
    androidauthority.com
    09/12/2016
    ASUS ZenWatch 3 review - Android Authority

    The ASUS ZenWatch 3 features a premium 316L stainless steel, circular design with a 1.39-inch AMOLED display and a functional triple-button layout. Pros include a high-quality leather strap, an ambient light sensor, and a full-round screen that avoids the "flat tire" look. The device offers a stylish, comfortable experience with a customizable top button for app launching. Powered...Read more

    T
    thecanadiantechie.com
    08/02/2017
    Asus ZenWatch 3 Review: The best Android Wear watch so far - The Canadian Techie

    The Asus ZenWatch 3 is lauded as a refined, stylish Android Wear device featuring a 1.39-inch circular AMOLED display and high-quality 316L stainless steel construction, avoiding the "flat tire" design of competitors. Powered by the Qualcomm Snapdragon Wear 2100 processor, it delivers a smooth user experience, highlighted by "HyperCharge" technology that reaches 60% battery in 15...Read more

    P
    pocketables.com
    24/03/2017
    Asus ZenWatch 3 Review - Spoiler: It's My New Favorite Smartwatch - Pocketables

    The Asus ZenWatch 3 is praised as a top-tier Android Wear device featuring a refined round design, a crisp 1.39-inch AMOLED display, and practical physical buttons that enhance its traditional timepiece aesthetic. It delivers a smooth, fast user experience powered by the Snapdragon Wear 2100 processor, further enhanced by the rapid charging capabilities of its 340mAh battery. While...Read more

    C
    cogconnected.com
    17/04/2017
    Asus ZenWatch 3 Review – Elegance Grounded in Simplicity - COGconnected

    The ASUS ZenWatch 3 is highlighted by COGconnected as a 'visually stunning' wearable that shifts from previous rectangular designs to a more traditional 316L stainless steel circular aesthetic with a sharp 1.39-inch AMOLED display. The device incorporates three crown buttons for customizable hardware shortcuts and, according to the review, offers premium construction alongside an...Read more

    P
    pcmag.com
    29/11/2016
    Asus ZenWatch 3 Review - PCMag

    The ASUS ZenWatch 3 is a stylish, circular stainless steel smartwatch featuring a high-quality 1.39-inch AMOLED display and a thin, comfortable design suitable for all-day wear. It is praised for its elegant aesthetic and lack of a 'flat tire' display effect, though the auto-brightness setting is often too dim. Performance is mixed, with the Snapdragon Wear 2100 providing decent...Read more

    W
    wareable.com
    02/02/2017
    Asus ZenWatch 3 review - Wareable

    The ASUS ZenWatch 3 stands out for its premium, 9.95mm thin stainless steel design and vibrant, round 1.39-inch AMOLED display. While featuring fast "HyperCharge" technology and customizable side buttons, the device lacks GPS and a heart rate sensor, making it more suited for style than intensive fitness tracking. Limitations include proprietary watch bands, occasional performance...Read more

    P
    phonearena.com
    01/02/2017
    ASUS ZenWatch 3 Review - PhoneArena

    The ASUS ZenWatch 3 features a significant design shift to a circular 316L stainless steel body, offering a luxurious look complemented by a bright 1.39-inch AMOLED display. Key advantages highlighted include highly customizable hardware buttons for quick app launching, along with smooth performance driven by the Snapdragon Wear 2100 processor. However, the review points out notable...Read more

    T
    techgearlab.com
    26/04/2017
    Asus ZenWatch 3 Review | Tested & Rated - Tech Gear Lab

    The Asus ZenWatch 3 is a stylish, slim smartwatch featuring a high-quality 1.39-inch AMOLED display and rapid charging capabilities, which TechGearLab found to be the fastest in its test group. Key pros include its premium, less-bulky design, 30-hour battery life, and excellent value for money. TechGearLabHowever, the device lacks a built-in GPS, heart rate sensor, and NFC, making...Read more

    T
    trustedreviews.com
    28/07/2017
    Asus ZenWatch 3 Review - Trusted Reviews

    The Asus ZenWatch 3 features a premium circular stainless steel design and a bright, sharp 1.39-inch AMOLED display. It includes a customisable top button for quick app access and a bottom button that activates an Eco Mode to extend battery life, distinguishing it from previous, more functional rectangular models. Performance is smooth, aided by the Snapdragon Wear 2100 processor...Read more

    T
    theverge.com
    31/07/2017
    Asus ZenWatch 3 review: basic is as basic does - The Verge

    The ASUS ZenWatch 3 is a visually refined Android Wear device featuring a 316L stainless steel circular body with a thin profile and rose gold accents [1.1]. However, the design imposes limitations, including the use of proprietary watch straps and underutilized, non-reconfigurable side buttons [1.1]. Equipped with the Snapdragon Wear 2100 processor, the watch offers a responsive...Read more

    T
    techadvisor.com
    10/11/2017
    Asus ZenWatch 3 review - Tech Advisor

    The Asus ZenWatch 3 is a stylish, 9.95mm thick stainless steel smartwatch featuring a high-quality 1.39-inch AMOLED display and three physical side buttons, according to Tech Advisor. Key advantages include its lightweight 48g design and fast-charging HyperCharge technology, which provides a 60% charge in just 15 minutes. Tech AdvisorHowever, the review highlights significant...Read more

    T
    techradar.com
    01/12/2017
    Asus ZenWatch 3 review - TechRadar

    The TechRadar review describes the Asus ZenWatch 3 as a stylish, premium Android Wear device featuring a 1.39-inch circular AMOLED display and three customisable buttons, marking a design shift from its predecessors. Key strengths include strong two-day battery life, the Snapdragon Wear 2100 chip for smooth performance, and HyperCharge technology, which provides a 0% to 60% charge...Read more

    D
    diesmartwg.com
    27/07/2018
    Smartwatch Everyday Review - ASUS ZenWatch 3

    The ASUS ZenWatch 3 is a premium, circular smartwatch featuring a 1.39-inch AMOLED display, a 316L stainless steel design, and three tactile buttons for navigation. Powered by the Qualcomm Snapdragon Wear 2100 processor, it delivers smooth performance and offers IP67 water resistance. A key highlight is the HyperCharge technology, which charges the 340 mAh battery to 60% in 15...Read more

    (Translated)Show original
    C
    curved.de
    23/01/2023
    Asus ZenWatch 3 im Test

    The ASUS ZenWatch 3 features a 1.39-inch circular AMOLED display with 2.5D Gorilla Glass and, unlike competitors, avoids a 'flat tire' design, offering a sharp, high-contrast experience. A key hardware differentiator is the inclusion of three crown buttons for quick access to apps and 'Eco Mode', though these can make the 11mm-thin device appear bulky. Powered by the Snapdragon Wear...Read more

    (Translated)Show original
    C
    computerbild.de
    16/11/2016
    ZenWatch 3: Asus-Smartwatch im Test

    The Asus ZenWatch 3 features a significant design shift, moving to a classic circular 1.39-inch AMOLED display encased in premium 316L stainless steel, available in gunmetal, silver, and rose gold. It is characterized by a slim under-10mm profile and customizable hardware buttons, offering a jewelry-grade aesthetic. Powered by the Qualcomm Snapdragon Wear 2100 processor with 512MB...Read more

    (Translated)Show original
    O
    onlinepc.ch
    28/02/2018
    Asus ZenWatch 3 im Test - onlinepc.ch

    The ASUS ZenWatch 3 is a stylish, 9.95mm thick, 316L stainless steel smartwatch featuring a high-quality 1.39-inch, fully circular AMOLED display. Powered by a Snapdragon Wear 2100 processor, it introduces HyperCharge technology for rapid 60% battery capacity in 15 minutes and features three physical, customizable buttons for improved navigation. While praised for its design and...Read more

    (Translated)Show original
    C
    chip.de
    06/12/2016
    Asus ZenWatch 3 Test - CHIP

    The Asus ZenWatch 3 features a high-quality 316L stainless steel, circular design with a sharp 1.39-inch AMOLED display and three, functional,, tactile hardware buttons. While aesthetically pleasing, the 45mm case and non-standard lugs make it less suited for smaller wrists and prevent the use of third-party bands. The device offers robust, premium, construction, which is a major,...Read more

    (Translated)Show original
    H
    heise.de
    18/11/2016
    Test: Asus ZenWatch 3 – Runde Smartwatch ab 229 Euro

    The Asus ZenWatch 3 is a circular, premium-designed Android Wear smartwatch featuring a slim 9.95mm profile and a 1.39-inch AMOLED display. Its primary strengths include high-quality construction, customizable hardware buttons, and HyperCharge technology allowing for a 60% charge in 15 minutes. Functional limitations include the lack of an integrated heart rate monitor and GPS,...Read more

    (Translated)Show original
    F
    frandroid.com
    20/09/2023
    Test Asus ZenWatch 3 : notre avis complet

    The ASUS ZenWatch 3 represents a significant design shift for the brand, featuring a premium 316L stainless steel circular chassis, a sharp 1.39-inch AMOLED display without a 'flat tire' effect, and three functional physical buttons. Key pros include this elegant aesthetic and the efficient HyperCharge technology, which provides a 60% charge in 15 minutes. Powered by the Snapdragon...Read more

    (Translated)Show original
    F
    frandroid.com
    01/09/2016
    Hands-on with the Asus ZenWatch 3: Finally round

    The Asus ZenWatch 3 features a significant design shift to a circular 1.39-inch AMOLED display (400 x 400 pixels) housed in 316L stainless steel with a slim 9.95mm profile. It incorporates three physical side buttons for quick app access and runs on the Qualcomm Snapdragon Wear 2100 processor for efficient performance. Pros include the premium, traditional watch aesthetic, a sharp...Read more

    (Translated)Show original
    G
    geeksandcom.com
    06/01/2017
    Test de la Asus ZenWatch 3, l'écran parfaitement rond à prix abordable

    The Geeks and Com review praises the ASUS ZenWatch 3 for its elegant, premium design featuring a 1.39-inch, 400x400 resolution AMOLED display. Performance is driven by the Snapdragon Wear 2100 processor, enabling smooth navigation, while three physical buttons offer convenient functionality. Key drawbacks noted include the absence of a heart rate monitor, GPS, and NFC, alongside a...Read more

    (Translated)Show original
    L
    lesnumeriques.com
    09/02/2017
    Test Asus ZenWatch 3 : moins chère mais pas plus (ni moins...)

    The Asus ZenWatch 3 features a premium stainless steel, circular design with a sharp 1.39-inch AMOLED display and a functional three-button layout, including customizable keys. It is powered by a smooth Snapdragon Wear 2100 processor and boasts a "HyperCharge" feature, providing a 60% charge in just 15 minutes to manage its 1-2 day battery life. However, the device lacks a heart...Read more

    (Translated)Show original
    T
    tecnorecensioni.com
    10/03/2017
    Recensione Asus ZenWatch 3 (WI503Q) by Smartphone Italia

    The Asus ZenWatch 3 (WI503Q) features a premium 316L stainless steel design with a 1.39-inch AMOLED display that boasts 400x400 resolution without a 'flat tire' effect. While the 9.95mm thickness makes it sleek, the rigid lugs and proprietary strap connection are noted as significant design drawbacks. A major advantage is the inclusion of three physical, customizable buttons for...Read more

    (Translated)Show original
    S
    smartworld.it
    25/11/2016
    ASUS ZenWatch 3, la recensione (foto e video)

    The Asus ZenWatch 3 features a 1.39-inch circular AMOLED display in a 316L stainless steel case, offering a stylish, slim profile with three, customisable 'crown' buttons for improved navigation. While the design is a highlight, it is hampered by proprietary, non-standard watch bands and a bulky feel for some users. Equipped with a Snapdragon Wear 2100 processor, the watch delivers...Read more

    (Translated)Show original
    A
    androidplanet.nl
    31/08/2016
    Asus ZenWatch 3 preview: Android Wear-horloge getest

    The Asus ZenWatch 3 features a redesigned, premium stainless steel chassis with a circular 1.39-inch AMOLED screen and a 'steampunk' aesthetic, making it comfortable to wear at just 9.95mm thick. A notable drawback is the proprietary lug design, which restricts users from easily using standard third-party watch bands. Powered by the Snapdragon Wear 2100, the watch offers smooth...Read more

    (Translated)Show original
    I
    id.nl
    29/11/2016
    Review ASUS Zenwatch 3: fraaie Android-smartwatch is vrij dom

    The Asus ZenWatch 3 is a visually striking, circular stainless steel smartwatch featuring a high-quality 1.39-inch AMOLED display and customizable buttons, prioritizing style with a slim design. However, it lacks essential modern features like a heart rate monitor, GPS, and NFC, and suffers from mediocre battery life despite fast-charging capabilities. The device is often described...Read more

    (Translated)Show original
    T
    tweakers.net
    30/11/2016
    ASUS ZenWatch 3 - Reviews - Tweakers

    The ASUS ZenWatch 3 features a premium design with a 316L stainless steel case, a 9.95mm profile, and a vivid 1.39-inch AMOLED display, adopting a traditional watch aesthetic. While the design is lauded for its appearance, the fixed-angle lugs make it wear large on smaller wrists and prevent the use of standard third-party bands. Performance is a mixed bag, with the device sometimes...Read more

    (Translated)Show original
    A
    androidplanet.nl
    22/11/2016
    Asus ZenWatch 3 review: stijlvolle smartwatch met beperkingen

    According to Android Planet, the Asus ZenWatch 3 stands out for its stylish, refined circular design featuring high-quality stainless steel and a sharp 1.39-inch AMOLED display. The smartwatch is powered by the Snapdragon Wear 2100, ensuring solid performance, and features HyperCharge technology for a 60% charge in 15 minutes, with a typical battery life of one to two days. While...Read more

    (Translated)Show original

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