Tag Heuer Connected Modular 45 Review | 126 Data compared

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  • Avg. price: ~£1,410
  • Screen size: 1.39 inch
  • Battery life: 1.04 day/s
  • Display type: AMOLED

Tag Heuer Connected Modular 45 review. Compare 126 technical specifications and user reviews to see how it ranks among smartwatches and if it is worth buying.

5.7

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%

5.5

Technical Score

10.0%

7.3

User score

Good
5.5

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%

1.0

Health

21.0%

8.4

Fitness

16.0%

5.2

Battery

14.0%

6.5

Smart features

12.0%

7.6

Connectivity

9.0%

8.1

Display & Design

4.0%

3.8

Hardware

Good
7.3

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%

10

User reviews

30.0%

1.0

Popularity

User score:
amazon
5.0
(1)

(Reviews last updated: Apr 2026)

Very 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 Tag Heuer Connected Modular 45

    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%

    1.0

    Health

    21.0%

    8.4

    Fitness

    16.0%

    5.2

    Battery

    14.0%

    6.5

    Smart features

    12.0%

    7.6

    Connectivity

    9.0%

    8.1

    Display & Design

    4.0%

    3.8

    Hardware

    5.5
    Tag Heuer Connected Modular 45 has a technical score of 5.52 points, which is lower than 70.6% 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%

    10

    User reviews

    30.0%

    1.0

    Popularity

    User score:
    amazon
    5.0
    (1)

    (Reviews last updated: Apr 2026)

    7.3
    Tag Heuer Connected Modular 45 has a user score of 7.3 points, which is lower than 78.1% 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.
    1.0
    Tag Heuer Connected Modular 45 has a popularity of 1 points, which is lower than 57.9% 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%

    5.7

    Overall score

    40.0%

    3.1

    Price

    4.9
    Tag Heuer Connected Modular 45 has a quality-to-price ratio of 4.9 points, which is lower than 99.3% 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

    Tag Heuer
    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

    no
    Tag Heuer Connected Modular 45 does not include 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
    Tag Heuer Connected Modular 45 does not support blood oxygen monitoring. 64.4% of smartwatches support blood oxygen monitoring.
    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
    Tag Heuer Connected Modular 45 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
    Tag Heuer Connected Modular 45 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
    Tag Heuer Connected Modular 45 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
    Tag Heuer Connected Modular 45 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
    Tag Heuer Connected Modular 45 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
    Tag Heuer Connected Modular 45 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
    Tag Heuer Connected Modular 45 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

    1.04 day/s
    Tag Heuer Connected Modular 45 offers a battery life of 1.04 day/s which is shorter than that of 87.1% of smartwatches of smartwatches.
    Converted from roughly 24-25 hours of battery life.
    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

    6 h
    Tag Heuer Connected Modular 45 lasts 6 h in training mode which is shorter than 83.8% of smartwatches and equal to that of 6% of smartwatches.
    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

    ?
    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

    378 mAh
    Tag Heuer Connected Modular 45 has a battery capacity of 378 mAh which is larger than the batteries in 72% 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

    ?
    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
    Tag Heuer Connected Modular 45 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
    Tag Heuer Connected Modular 45 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
    Tag Heuer Connected Modular 45 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
    Tag Heuer Connected Modular 45 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
    Tag Heuer Connected Modular 45 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
    Tag Heuer Connected Modular 45 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

    yes
    Tag Heuer Connected Modular 45 supports 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
    Tag Heuer Connected Modular 45 does not support Galileo navigation. 38.7% of smartwatches support Galileo navigation.
    Supports other GNSS systems, but Galileo is not listed.
    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
    Tag Heuer Connected Modular 45 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
    Tag Heuer Connected Modular 45 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
    Tag Heuer Connected Modular 45 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
    Tag Heuer Connected Modular 45 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
    Tag Heuer Connected Modular 45 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

    2 x 0.8 GHz
    Tag Heuer Connected Modular 45 uses a CPU configuration of 2 x 0.8 GHz which is faster than that in 67.6% of smartwatches and equal to that in 0.4% of smartwatches.
    Derived from core-count and per-core clock notation
    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

    ?
    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
    Tag Heuer Connected Modular 45 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
    Tag Heuer Connected Modular 45 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
    Tag Heuer Connected Modular 45 does not include an external memory slot. 0.3% of smartwatches include an external memory slot.
    Show more

    Tag Heuer Connected Modular 45 vs the average smartwatch

    • Stronger display glass
      Tag Heuer Connected Modular 45 uses sapphire 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

      Tag Heuer Connected Modular 45 uses sapphire display glass, while the average smartwatch uses mineral glass.sapphire vs mineral glass
    • More advanced operating system
      Tag Heuer Connected Modular 45 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

      Tag Heuer Connected Modular 45 runs a more advanced operating system than the average smartwatch (Wear OS vs Proprietary OS).Wear OS vs Proprietary OS
    • Has NFC
      Tag Heuer Connected Modular 45 supports NFC, the average smartwatch does not. 42.5% of smartwatches support NFC.
      What it is: Near-field communication hardware used for payments, pairing, or quick tap-based actions.
      When it matters: When you want to pay quickly or pair devices with a tap.

      Importance: HIGH

      Tag Heuer Connected Modular 45 supports NFC, the average smartwatch does not. 42.5% of smartwatches support NFC.
    • Has multi-sport mode
      Tag Heuer Connected Modular 45 includes a multi-sport mode, the average smartwatch does not. 49.4% of smartwatches include a multi-sport mode.
      What it is: A training mode designed to handle multiple sports within a single session.
      When it matters: When you track workouts and want better training data.

      Importance: MEDIUM

      Tag Heuer Connected Modular 45 includes a multi-sport mode, the average smartwatch does not. 49.4% of smartwatches include a multi-sport mode.
    • Includes maps
      Tag Heuer Connected Modular 45 supports maps, the average smartwatch does not. 32.2% of smartwatches support maps.
      What it is: The ability to view maps, navigation guidance, or route layouts on the watch.
      When it matters: When you run, ride, hike, or navigate without relying on your phone.

      Importance: MEDIUM

      Tag Heuer Connected Modular 45 supports maps, the average smartwatch does not. 32.2% of smartwatches support maps.
    • Supports third-party apps
      Tag Heuer Connected Modular 45 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

      Tag Heuer Connected Modular 45 supports third-party apps, the average smartwatch does not. 47.6% of smartwatches support third-party apps.
    • Has compass
      Tag Heuer Connected Modular 45 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

      Tag Heuer Connected Modular 45 includes a compass, the average smartwatch does not. 49.3% of smartwatches include a compass.
    • Supports Wi-Fi
      Tag Heuer Connected Modular 45 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

      Tag Heuer Connected Modular 45 supports Wi-Fi, the average smartwatch does not. 43.4% of smartwatches support Wi-Fi.
    • Has multi-sport mode
      Tag Heuer Connected Modular 45 includes a multi-sport mode, the average smartwatch does not. 49.4% of smartwatches include a multi-sport mode.
    • Has external HR monitor
      Tag Heuer Connected Modular 45 supports external heart rate monitor compatibility, the average smartwatch does not. 41.3% of smartwatches support external heart rate monitor compatibility.
    • 78 mAh larger battery capacity
      Tag Heuer Connected Modular 45 has a larger battery capacity than the average smartwatch (378 mAh vs 300 mAh). The average smartwatch battery is 300 mAh.
    • Has NFC
      Tag Heuer Connected Modular 45 supports NFC, the average smartwatch does not. 42.5% of smartwatches support NFC.
    • Includes maps
      Tag Heuer Connected Modular 45 supports maps, the average smartwatch does not. 32.2% of smartwatches support maps.
    • Has compass
      Tag Heuer Connected Modular 45 includes a compass, the average smartwatch does not. 49.3% of smartwatches include a compass.
    • Supports Wi-Fi
      Tag Heuer Connected Modular 45 supports Wi-Fi, the average smartwatch does not. 43.4% of smartwatches support Wi-Fi.
    • Stronger display glass
      Tag Heuer Connected Modular 45 uses sapphire display glass, while the average smartwatch uses mineral glass.
    • Better case material
      Tag Heuer Connected Modular 45 uses titanium for the case material, while the average smartwatch uses polycarbonate.
    • Better band material
      Tag Heuer Connected Modular 45 uses rubber, leather, titanium for the band material, while the average smartwatch uses silicone.
    • Has hybrid design
      Tag Heuer Connected Modular 45 has a hybrid design, the average smartwatch does not. 9% of smartwatches have a hybrid design.
    • 81 ppi higher pixel density
      Tag Heuer Connected Modular 45 has a higher pixel density than the average smartwatch (407 ppi vs 326 ppi). The average smartwatch display reaches 326 ppi.
    • Higher resolution
      Tag Heuer Connected Modular 45 has a display resolution of 400x 400, while the average smartwatch reaches 352x 430.
    • More advanced operating system
      Tag Heuer Connected Modular 45 runs a more advanced operating system than the average smartwatch (Wear OS vs Proprietary OS).
    • Supports third-party apps
      Tag Heuer Connected Modular 45 supports third-party apps, the average smartwatch does not. 47.6% of smartwatches support third-party apps.
    • Faster CPU speed
      Tag Heuer Connected Modular 45 uses a CPU configuration of 2x 0.8 GHz, while the average smartwatch uses 1 GHz.
    • No blood oxygen
      Tag Heuer Connected Modular 45 does not support blood oxygen monitoring, the average smartwatch does. 64.4% of smartwatches support blood oxygen monitoring.
    • No stress monitoring
      Tag Heuer Connected Modular 45 does not support stress monitoring, the average smartwatch does. 65.4% of smartwatches support stress monitoring.
    • No sleep tracking
      Tag Heuer Connected Modular 45 does not support sleep tracking, the average smartwatch does. 94% of smartwatches support sleep tracking.
    • No heart rate monitor
      Tag Heuer Connected Modular 45 does not include a heart rate monitor, the average smartwatch does. 90.4% of smartwatches include a heart rate monitor.
    • No cycle tracking
      Tag Heuer Connected Modular 45 does not support menstrual cycle tracking, the average smartwatch does. 64.6% of smartwatches support menstrual cycle tracking.
    • No inactivity alerts
      Tag Heuer Connected Modular 45 does not support inactivity alerts, the average smartwatch does. 85.7% of smartwatches support inactivity alerts.
    • No smart scales
      Tag Heuer Connected Modular 45 does not support smart scale compatibility, the average smartwatch does. 56.8% of smartwatches support smart scale compatibility.
    • No pace measurement
      Tag Heuer Connected Modular 45 does not support pace tracking, the average smartwatch does. 78% of smartwatches support pace tracking.
    • No coaching
      Tag Heuer Connected Modular 45 does not support coaching, the average smartwatch does. 51.8% of smartwatches support coaching.
    • No voice feedback
      Tag Heuer Connected Modular 45 does not support voice feedback, the average smartwatch does. 62.1% of smartwatches support voice feedback.
    • 5.96 day/s shorter battery life
      Tag Heuer Connected Modular 45 offers 1 day/s of battery life, while the average smartwatch offers 7 day/s.
      Converted from roughly 24-25 hours of battery life.
    • 14 h shorter training battery life
      Tag Heuer Connected Modular 45 lasts less in training mode than the average smartwatch (6 h vs 20 h). The average smartwatch lasts 20 h.
    • Older Bluetooth version
      Tag Heuer Connected Modular 45 supports an older Bluetooth version than the average smartwatch (4.1 vs 5.0). The average smartwatch uses 5.0.
    • 17.5 g heavier weight
      Tag Heuer Connected Modular 45 is heavier than the average smartwatch (62.5 g vs 45 g). The average smartwatch weighs 45 g.
    • 2.15 mm thicker watch body
      Tag Heuer Connected Modular 45 is thicker than the average smartwatch (13.8 mm vs 11.60 mm). The average smartwatch thickness is 11.60 mm.
    • 0.01 inch smaller screen size
      Tag Heuer Connected Modular 45 has a smaller screen size than the average smartwatch (1.4 inch vs 1.40 inch). The average smartwatch screen is 1.40 inch.
    • No call answering
      Tag Heuer Connected Modular 45 does not support call answering, the average smartwatch does. 57% of smartwatches support call answering.
      Call can be answered/managed, but conversation audio is on phone/headset.
    • No smart alarm
      Tag Heuer Connected Modular 45 does not support a smart alarm, the average smartwatch does. 52.7% of smartwatches support this feature.
    • No speaker
      Tag Heuer Connected Modular 45 does not include a built-in speaker, the average smartwatch does. 54.7% of smartwatches include a built-in speaker.
    • 0.5 GB less RAM
      Tag Heuer Connected Modular 45 has less RAM than the average smartwatch (0.5 GB vs 1 GB). The average smartwatch includes 1 GB of RAM.
    • 4 year/s older release date
      Tag Heuer Connected Modular 45 is an older model than the average smartwatch (2,017 vs 2,021). The average smartwatch was released in 2,021.
      April 2,017
    • No blood oxygen
      Tag Heuer Connected Modular 45 does not support blood oxygen monitoring, the average smartwatch does. 64.4% of smartwatches support 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

      Tag Heuer Connected Modular 45 does not support blood oxygen monitoring, the average smartwatch does. 64.4% of smartwatches support blood oxygen monitoring.
    • No speaker
      Tag Heuer Connected Modular 45 does not include a built-in speaker, the average smartwatch does. 54.7% of smartwatches include a built-in speaker.
      What it is: An onboard speaker for calls, prompts, alarms, or media playback.
      When it matters: When you want audio, calls, or voice features on the watch itself.

      Importance: LOW

      Tag Heuer Connected Modular 45 does not include a built-in speaker, the average smartwatch does. 54.7% of smartwatches include a built-in speaker.
    • No stress monitoring
      Tag Heuer Connected Modular 45 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

      Tag Heuer Connected Modular 45 does not support stress monitoring, the average smartwatch does. 65.4% of smartwatches support stress monitoring.
    • No sleep tracking
      Tag Heuer Connected Modular 45 does not support sleep tracking, the average smartwatch does. 94% of smartwatches support sleep tracking.
      What it is: Automatic recording of sleep duration, stages, or sleep quality from overnight wear.
      When it matters: When you want health data from your wrist during the day or night.

      Importance: HIGH

      Tag Heuer Connected Modular 45 does not support sleep tracking, the average smartwatch does. 94% of smartwatches support sleep tracking.
    • No pace measurement
      Tag Heuer Connected Modular 45 does not support pace tracking, the average smartwatch does. 78% of smartwatches support pace tracking.
      What it is: Tracking of current or average pace during activities such as running or cycling.
      When it matters: When you track workouts and want better training data.

      Importance: MEDIUM

      Tag Heuer Connected Modular 45 does not support pace tracking, the average smartwatch does. 78% of smartwatches support pace tracking.
    • No heart rate monitor
      Tag Heuer Connected Modular 45 does not include a heart rate monitor, the average smartwatch does. 90.4% of smartwatches include a 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

      Tag Heuer Connected Modular 45 does not include a heart rate monitor, the average smartwatch does. 90.4% of smartwatches include a heart rate monitor.
    • No coaching
      Tag Heuer Connected Modular 45 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

      Tag Heuer Connected Modular 45 does not support coaching, the average smartwatch does. 51.8% of smartwatches support coaching.
    • No call answering
      Tag Heuer Connected Modular 45 does not support call answering, the average smartwatch does. 57% of smartwatches support call answering.
      Call can be answered/managed, but conversation audio is on phone/headset.
      What it is: The ability to answer an incoming call directly from the watch.
      When it matters: When you want to handle calls or alerts without taking out your phone.

      Importance: LOW

      Tag Heuer Connected Modular 45 does not support call answering, the average smartwatch does. 57% of smartwatches support call answering.

    Graphic comparison of Tag Heuer Connected Modular 45 and other Smartwatches

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    Third-party reviews

    (Reviews last updated: Apr 2026)

    What customers like about Tag Heuer Connected Modular 45?

    • Exceptional build quality with premium materials like titanium and sapphire crystal
    • Highly modular design allowing users to swap straps, lugs, and even the watch head
    • Crisp and vibrant 1.39-inch AMOLED display with no 'flat tire' design
    • Water-resistant up to 50 metres, making it suitable for swimming
    • Built-in GPS and NFC for contactless payments via Google Pay
    • Exclusive TAG Heuer Studio for creating thousands of custom watch face combinations

    What customers dislike about Tag Heuer Connected Modular 45?

    • Extremely high price point compared to smartwatches with similar technical specs
    • Battery life typically lasts only one day, often requiring nightly charging
    • Large and bulky 45mm case may feel too heavy or oversized for smaller wrists
    • Lacks a heart rate monitor, which is a standard feature on most fitness smartwatches
    • Non-rotating crown and bezel can make software navigation feel less intuitive
    • Performance can occasionally feel laggy when launching intensive apps

    Expert reviews

    W
    wareable.com
    17/05/2019

    The TAG Heuer Connected Modular 45 Golf Edition delivers a luxury experience with premium "Swiss Made" craftsmanship, featuring a modular design and a specialized app offering 3D renderings of 39,000 courses. While praised for its aesthetics and in-depth, intuitive hole-by-hole mapping, the watch is hampered by aging internal hardware, including an old Intel processor and limited...Read more

    E
    executivetraveller.com
    16/03/2017

    The TAG Heuer Connected Modular 45 offers a blend of luxury Swiss craftsmanship and modular technology, allowing users to customize components like lugs and straps, and swap the digital head for a mechanical Calibre 5 module. Featuring a 1.39-inch AMOLED display and titanium case, the device runs Android Wear 2.0 with integrated GPS and NFC for payments. While lauded for its premium...Read more

    P
    pocket-lint.com
    03/04/2017

    The Pocket-lint review of the TAG Heuer Connected Modular 45 highlights it as a luxury, "fashion-forward" device featuring a "Swiss Made" modular construction that allows users to swap lugs, straps, and the main digital module for a mechanical one. While praised for its premium titanium build, excellent AMOLED display, and onboard GPS/NFC, the device is held back by slow Google...Read more

    C
    cnet.com
    14/03/2017

    The TAG Heuer Connected Modular 45 is a luxury Android Wear smartwatch boasting "Swiss Made" certification and a unique, highly customizable design that allows users to swap lugs, straps, and even replace the digital module with a mechanical head. It features a 1.39-inch AMOLED display, titanium casing, and key upgrades like built-in GPS, NFC for payments, and 50-meter water...Read more

    C
    cyclingweekly.com
    24/08/2018

    The TAG Heuer Connected Modular 45 is a high-end, "Swiss Made" smartwatch with exceptional build quality, featuring a titanium case and sapphire crystal display. Its modular design allows for extensive customization, including the ability to replace the digital module with a mechanical one. However, the device is considered uncomfortable for cycling due to its 120g weight and sharp...Read more

    P
    pastemagazine.com
    31/05/2017

    Chuong Nguyen’s review for Paste Magazine highlights the Tag Heuer Connected Modular 45 as a luxury "Digital Haute" smartwatch, featuring a premium titanium build and modular design that allows users to swap components. Pros include a vibrant 1.5-inch AMOLED display, Android Wear 2.0 functionality, integrated GPS, and customizable watch faces. However, the $1,650+ price tag is...Read more

    T
    theweek.com
    17/08/2017

    The TAG Heuer Connected Modular 45 is a luxury "Swiss Made" smartwatch prioritizing customisability, featuring a unique design that allows users to swap straps, lugs, and the central digital module for a traditional mechanical one. It boasts a 45mm titanium case, a high-quality AMOLED screen, Android Wear 2.0, GPS, and NFC. Despite these features, the device is criticized for...Read more

    B
    bosshunting.com.au
    29/01/2023

    The Boss Hunting review of the TAG Heuer Connected Modular 45 highlights its successful fusion of luxury Swiss aesthetics with high-end, customizable, and functional technology. Key advantages included the 50-meter water resistance, a responsive touchscreen suitable for active use, and seamless integration with smart features. However, the 45mm, thick titanium design may be too...Read more

    T
    timeandtidewatches.com
    15/03/2017

    The TAG Heuer Connected Modular 45 offers a unique, "Swiss Made" modular approach, allowing users to switch between an Android Wear 2.0 digital module and traditional mechanical movements, housed in a durable titanium case [Time+Tide review]. Key advantages include unparalleled customization of straps, lugs, and modules, along with a bright AMOLED screen, 50-meter water resistance,...Read more

    S
    stuff.tv
    28/05/2017

    The TAG Heuer Connected Modular 45 is a luxury smartwatch prioritizing Swiss craftsmanship, featuring a modular design that allows for the swapping of components and customization of lugs, straps, and buckles. It boasts a 1.39-inch AMOLED display, 50m water resistance, and includes NFC and GPS functionality. However, the device lacks a heart rate sensor, has a bulky 45mm design, and...Read more

    W
    wired.com
    15/03/2017

    The WIRED review of the Tag Heuer Connected Modular 45 highlights a luxury smartwatch blending Swiss craftsmanship with high-end modularity, allowing users to swap lugs, straps, and buckles, or replace the digital module with a Calibre 5 mechanical head. Key pros include a premium, durable titanium casing with a sapphire crystal screen, smooth performance powered by an Intel Atom...Read more

    W
    wareable.com
    30/03/2017

    The TAG Heuer Connected Modular 45 is a luxury Android Wear 2.0 device focusing on design, featuring a modular system that allows for 56 customization combinations of lugs, straps, and buckles, and even the ability to replace the digital module with a mechanical head. It boasts a 45mm titanium case, AMOLED display, GPS, and NFC, but suffers from a lack of a heart-rate sensor,...Read more

    T
    techradar.com
    01/12/2017

    The TAG Heuer Connected Modular 45 is a luxury-first smartwatch that brings premium Swiss design to the wearable market, highlighted by its unique capability to swap the digital module for a mechanical one. Featuring a 1.39-inch AMOLED display and durable titanium construction, it offers high-end aesthetics, though it lacks a heart rate monitor and is often considered too heavy for...Read more

    B
    blick.ch
    15/03/2017

    The Tag Heuer Connected features a unique, high-quality modular design that allows users to customize and swap out components, including the potential to trade the digital unit for a mechanical movement after two years. The 46mm timepiece is praised for its premium build, superior materials, and a display that remains readable in standby mode. Time+ Key pros highlighted include its...Read more

    N
    newgadgets.de
    06/05/2017

    The TAG Heuer Connected Modular 45 is a high-end "Swiss Made" smartwatch focusing on luxury, featuring a grade 5 titanium case, sapphire crystal, and a 1.39-inch AMOLED display. Its defining feature is modularity, allowing users to swap lugs, straps, and the digital module for mechanical alternatives. Running Android Wear 2.0, it includes GPS, NFC for Android Pay, and 5ATM water...Read more

    P
    pctipp.ch
    04/05/2017

    The TAG Heuer Connected Modular 45 offers a unique, premium experience by blending Swiss craftsmanship with Android Wear 2.0, highlighted by its ability to swap the digital core for a mechanical module. Key advantages include a durable titanium body, a vibrant sapphire-covered AMOLED display without a "flat tyre" cutout, and extensive customization through swappable lugs, straps,...Read more

    H
    heise.de
    07/07/2017

    The TAG Heuer Connected Modular 45 is a luxury Swiss-made smartwatch designed to combat technology obsolescence through a unique modular system, allowing the digital head to be swapped for mechanical modules. Featuring a 1.39-inch AMOLED display and premium materials like Grade 5 titanium, it offers exceptional build quality and over 500 customization combinations. However, the...Read more

    C
    chrononautix.com
    27/05/2022

    The TAG Heuer Connected Modular 45 is a luxury, Swiss-made Android Wear 2.0 device prioritizing high-end design, featuring a 45mm grade 5 titanium case and a vibrant 1.39-inch AMOLED display. Its defining feature is modularity, allowing users to swap the digital module for a mechanical one to combat obsolescence. While offering GPS, NFC, and broad compatibility with both Android and...Read more

    W
    watchlounge.com
    21/03/2017

    The TAG Heuer Connected Modular 45 introduces a "Swiss Made" luxury smartwatch with a unique modular design, allowing users to swap the digital head for mechanical alternatives like the Calibre 5 or Chronograph Heuer-02T. Featuring premium materials such as grade 5 titanium and sapphire crystal, the device prioritizes longevity through customizable lugs, straps, and buckles,...Read more

    L
    lexpress.fr
    16/03/2017

    The TAG Heuer Connected Modular 45, as reviewed by L'Express Styles, focuses on luxury longevity through its "Swiss Made" modular design, allowing users to swap the digital head for mechanical alternatives to combat electronic obsolescence. This system offers over 4,000 configurations, including customizable lugs, straps, and buckles, all packaged in a premium, 50-meter...Read more

    R
    runnea.it
    Undated

    The TAG Heuer Connected Modular 45 merges traditional Swiss craftsmanship with modular technology, featuring a 45mm titanium case, AMOLED display, and the ability to swap the smart module for a mechanical head. While praised for its premium, customizable design, the watch is noted for its 13.75mm thickness and 120g weight, which can feel bulky during physical activity. Key...Read more

    W
    wired.it
    15/03/2017

    The Tag Heuer Connected Modular 45 is a luxury smartwatch featuring a unique, highly customizable design that allows users to interchange components like lugs and straps, offering a "Swiss Made" alternative in the wearable market. Its primary advantage is the ability to swap the digital module for a mechanical one, addressing future obsolescence, alongside a premium build featuring...Read more

    H
    horbiter.com
    03/12/2017

    The TAG Heuer Connected Modular 45 distinguishes itself as a "Swiss Made" luxury smartwatch, featuring a 45mm titanium case, AMOLED display, and a modular design allowing the digital unit to be swapped for mechanical modules. It runs on Android Wear 2.0 with an Intel Atom processor, offering integrated GPS, NFC payments, and 50-meter water resistance for versatility. While praised...Read more

    Video reviews

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