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Tag Heuer Calibre E4 42mm Review | 126 Data compared

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  • Avg. price: ~£970
  • Screen size: 1.28 inch
  • Battery life: 1 day/s
  • Display type: AMOLED

Tag Heuer Calibre E4 42mm review. Compare 126 technical specifications and user reviews to see how it ranks among smartwatches and if it is worth buying.

6.4

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%

6.4

Technical Score

10.0%

?

User score

Good
6.4

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%

2.6

Health

21.0%

8.9

Fitness

16.0%

6.1

Battery

14.0%

7.7

Smart features

12.0%

8.2

Connectivity

9.0%

7.8

Display & Design

4.0%

4.6

Hardware

Good
?

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%

?

User reviews

30.0%

?

Popularity

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    Best prices

      N/A~ £970

    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 Calibre E4 42mm

    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%

    ?

    Health

    21.0%

    ?

    Fitness

    16.0%

    ?

    Battery

    14.0%

    ?

    Smart features

    12.0%

    ?

    Connectivity

    9.0%

    ?

    Display & Design

    4.0%

    ?

    Hardware

    6.4
    Tag Heuer Calibre E4 42mm has a technical score of 6.41 points, which is higher than 56.9% 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%

    0.0

    User reviews

    30.0%

    1.0

    Popularity

    ?
    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 Calibre E4 42mm 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%

    6.4

    Overall score

    40.0%

    5.4

    Price

    6.1
    Tag Heuer Calibre E4 42mm has a quality-to-price ratio of 6.1 points, which is lower than 93.7% 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

    yes
    Tag Heuer Calibre E4 42mm 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
    Tag Heuer Calibre E4 42mm 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 Calibre E4 42mm 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 Calibre E4 42mm 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 Calibre E4 42mm 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

    yes
    Tag Heuer Calibre E4 42mm includes 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 Calibre E4 42mm 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 Calibre E4 42mm 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 Calibre E4 42mm 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
    Tag Heuer Calibre E4 42mm 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.
    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

    ?
    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

    330 mAh
    Tag Heuer Calibre E4 42mm has a battery capacity of 330 mAh which is larger than the batteries in 60.1% of smartwatches and equal to those in 0.9% of smartwatches.
    Battery capacity varies by case size/model variant.
    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

    90 min
    Tag Heuer Calibre E4 42mm charges in 90 min which is faster than 62.6% of smartwatches and equal to the charge time of 9.7% 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
    Tag Heuer Calibre E4 42mm 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 (3).
    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 Calibre E4 42mm 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 Calibre E4 42mm 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 Calibre E4 42mm 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 Calibre E4 42mm 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 Calibre E4 42mm 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

    1
    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 Calibre E4 42mm 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

    yes
    Tag Heuer Calibre E4 42mm supports Galileo navigation. 38.7% of smartwatches support Galileo navigation.
    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 Calibre E4 42mm 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

    1.28 inch
    Tag Heuer Calibre E4 42mm has a screen size of 1.28 inch which is smaller than the screens of 78.2% of smartwatches and equal to those of 5.4% 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 Calibre E4 42mm 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

    416 x 416
    Tag Heuer Calibre E4 42mm has a display resolution of 416 x 416 which is higher than that of 74.7% of smartwatches and equal to that of 3.1% 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

    460 ppi
    Tag Heuer Calibre E4 42mm has a pixel density of 460 ppi which is higher than that of 79.5% of smartwatches and equal to that of 5% 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 GHz
    Tag Heuer Calibre E4 42mm uses a CPU configuration of 1 GHz which is faster than that in 29.2% of smartwatches and equal to that in 31.2% 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 4,100
    Tag Heuer Calibre E4 42mm uses the Snapdragon Wear 4100 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

    1 GB
    Tag Heuer Calibre E4 42mm has 1 GB of RAM which is larger than the RAM in 32.3% of smartwatches and equal to that of 34.6% 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 Calibre E4 42mm 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 Calibre E4 42mm does not include an external memory slot. 0.3% of smartwatches include an external memory slot.
    Show more

    Tag Heuer Calibre E4 42mm vs the average smartwatch

    • Stronger display glass
      Tag Heuer Calibre E442mm 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 Calibre E442mm uses sapphire display glass, while the average smartwatch uses mineral glass.sapphire vs mineral glass
    • Includes fall detection
      Tag Heuer Calibre E442mm supports fall detection, the average smartwatch does not. 22.4% of smartwatches support fall detection.
      What it is: Automatic detection of hard falls that can trigger checks or emergency actions.
      When it matters: When you want extra help in an emergency.

      Importance: HIGH

      Tag Heuer Calibre E442mm supports fall detection, the average smartwatch does not. 22.4% of smartwatches support fall detection.
    • More advanced operating system
      Tag Heuer Calibre E442mm runs a more advanced operating system than the average smartwatch (Wear OS vs Proprietary OS).
      OS detail: Wear OS (3).
      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 Calibre E442mm runs a more advanced operating system than the average smartwatch (Wear OS vs Proprietary OS).Wear OS vs Proprietary OS
    • Has NFC
      Tag Heuer Calibre E442mm 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 Calibre E442mm supports NFC, the average smartwatch does not. 42.5% of smartwatches support NFC.
    • Includes maps
      Tag Heuer Calibre E442mm 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 Calibre E442mm supports maps, the average smartwatch does not. 32.2% of smartwatches support maps.
    • Has barometer
      Tag Heuer Calibre E442mm includes a barometer, the average smartwatch does not. 45.6% of smartwatches include a 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

      Tag Heuer Calibre E442mm includes a barometer, the average smartwatch does not. 45.6% of smartwatches include a barometer.
    • Supports third-party apps
      Tag Heuer Calibre E442mm 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 Calibre E442mm supports third-party apps, the average smartwatch does not. 47.6% of smartwatches support third-party apps.
    • Has compass
      Tag Heuer Calibre E442mm 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 Calibre E442mm includes a compass, the average smartwatch does not. 49.3% of smartwatches include a compass.
    • Supports calorie tracking
      Tag Heuer Calibre E442mm supports calorie tracking, the average smartwatch does not. 43.8% of smartwatches support calorie tracking.
    • Supports water intake tracking
      Tag Heuer Calibre E442mm tracks water intake, the average smartwatch does not. 48.2% of smartwatches track water intake.
    • Has barometer
      Tag Heuer Calibre E442mm includes a barometer, the average smartwatch does not. 45.6% of smartwatches include a barometer.
    • Has external HR monitor
      Tag Heuer Calibre E442mm supports external heart rate monitor compatibility, the average smartwatch does not. 41.3% of smartwatches support external heart rate monitor compatibility.
    • 30 min shorter charge time
      Tag Heuer Calibre E442mm charges faster than the average smartwatch (90 min vs 120 min). The average smartwatch charges in 120 min.
    • 30 mAh larger battery capacity
      Tag Heuer Calibre E442mm has a larger battery capacity than the average smartwatch (330 mAh vs 300 mAh). The average smartwatch battery is 300 mAh.
    • Has NFC
      Tag Heuer Calibre E442mm supports NFC, the average smartwatch does not. 42.5% of smartwatches support NFC.
    • Includes maps
      Tag Heuer Calibre E442mm supports maps, the average smartwatch does not. 32.2% of smartwatches support maps.
    • Has compass
      Tag Heuer Calibre E442mm includes a compass, the average smartwatch does not. 49.3% of smartwatches include a compass.
    • Supports Wi-Fi
      Tag Heuer Calibre E442mm supports Wi-Fi, the average smartwatch does not. 43.4% of smartwatches support Wi-Fi.
    • Supports Galileo
      Tag Heuer Calibre E442mm supports Galileo navigation, the average smartwatch does not. 38.7% of smartwatches support Galileo navigation.
    • Stronger display glass
      Tag Heuer Calibre E442mm uses sapphire display glass, while the average smartwatch uses mineral glass.
    • Has rugged design
      Tag Heuer Calibre E442mm has a rugged design, the average smartwatch does not. 34.5% of smartwatches have a rugged design.
    • 134 ppi higher pixel density
      Tag Heuer Calibre E442mm has a higher pixel density than the average smartwatch (460 ppi vs 326 ppi). The average smartwatch display reaches 326 ppi.
    • Better case material
      Tag Heuer Calibre E442mm uses titanium for the case material, while the average smartwatch uses polycarbonate.
    • Higher resolution
      Tag Heuer Calibre E442mm has a display resolution of 416x 416, while the average smartwatch reaches 352x 430.
    • Includes fall detection
      Tag Heuer Calibre E442mm supports fall detection, the average smartwatch does not. 22.4% of smartwatches support fall detection.
    • More advanced operating system
      Tag Heuer Calibre E442mm runs a more advanced operating system than the average smartwatch (Wear OS vs Proprietary OS).
    • Supports third-party apps
      Tag Heuer Calibre E442mm supports third-party apps, the average smartwatch does not. 47.6% of smartwatches support third-party apps.
    • More advanced processor model
      Tag Heuer Calibre E442mm uses the Snapdragon Wear 4,100 processor model, while the average smartwatch uses Snapdragon 400.

    Total
    Health
    Fitness
    Battery
    Connectivity
    Display & Design
    Smart features
    Hardware
    • No blood oxygen
      Tag Heuer Calibre E442mm does not support blood oxygen monitoring, the average smartwatch does. 64.4% of smartwatches support blood oxygen monitoring.
    • No stress monitoring
      Tag Heuer Calibre E442mm does not support stress monitoring, the average smartwatch does. 65.4% of smartwatches support stress monitoring.
    • No sleep tracking
      Tag Heuer Calibre E442mm does not support sleep tracking, the average smartwatch does. 94% of smartwatches support sleep tracking.
    • No cycle tracking
      Tag Heuer Calibre E442mm does not support menstrual cycle tracking, the average smartwatch does. 64.6% of smartwatches support menstrual cycle tracking.
    • 73 fewer exercise profiles
      Tag Heuer Calibre E442mm supports fewer exercise modes than the average smartwatch (7 vs 80). The average smartwatch supports 80 exercise modes.
    • 6 day/s shorter battery life
      Tag Heuer Calibre E442mm offers 1 day/s of battery life, while the average smartwatch offers 7 day/s.
    • 48.5 m lower waterproof depth
      Tag Heuer Calibre E442mm has a shallower waterproof rating than the average smartwatch (1.5 m vs 50 m). The average smartwatch reaches 50 m.
    • 0.12 inch smaller screen size
      Tag Heuer Calibre E442mm has a smaller screen size than the average smartwatch (1.3 inch vs 1.40 inch). The average smartwatch screen is 1.40 inch.
    • 21.3 g heavier weight
      Tag Heuer Calibre E442mm is heavier than the average smartwatch (66.3 g vs 45 g). The average smartwatch weighs 45 g.
      Weight refers to watch case without strap/band.
    • 2.6 mm thicker watch body
      Tag Heuer Calibre E442mm is thicker than the average smartwatch (14.2 mm vs 11.60 mm). The average smartwatch thickness is 11.60 mm.
    • No camera remote control
      Tag Heuer Calibre E442mm does not include built-in camera remote control, the average smartwatch does. 85.2% of smartwatches that are equipped with a camera include built-in camera remote control.
    • No speaker
      Tag Heuer Calibre E442mm does not include a built-in speaker, the average smartwatch does. 54.7% of smartwatches include a built-in speaker.
    • No blood oxygen
      Tag Heuer Calibre E442mm 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 Calibre E442mm does not support blood oxygen monitoring, the average smartwatch does. 64.4% of smartwatches support blood oxygen monitoring.
    • 48.5 m lower waterproof depth
      Tag Heuer Calibre E442mm has a shallower waterproof rating than the average smartwatch (1.5 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

      Tag Heuer Calibre E442mm has a shallower waterproof rating than the average smartwatch (1.5 m vs 50 m). The average smartwatch reaches 50 m.1.5 m vs 50 m
    • No speaker
      Tag Heuer Calibre E442mm 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 Calibre E442mm 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 Calibre E442mm 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 Calibre E442mm does not support stress monitoring, the average smartwatch does. 65.4% of smartwatches support stress monitoring.
    • No sleep tracking
      Tag Heuer Calibre E442mm 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 Calibre E442mm does not support sleep tracking, the average smartwatch does. 94% of smartwatches support sleep tracking.
    • 6 day/s shorter battery life
      Tag Heuer Calibre E442mm offers 1 day/s of battery life, while the average smartwatch offers 7 day/s.
      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

      Tag Heuer Calibre E442mm offers 1 day/s of battery life, while the average smartwatch offers 7 day/s.1 day/s vs 7 day/s
    • 0.12 inch smaller screen size
      Tag Heuer Calibre E442mm has a smaller screen size than the average smartwatch (1.3 inch vs 1.40 inch). The average smartwatch screen is 1.40 inch.
      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

      Tag Heuer Calibre E442mm has a smaller screen size than the average smartwatch (1.3 inch vs 1.40 inch). The average smartwatch screen is 1.40 inch.1.28 inch vs 1.40 inch
    • No cycle tracking
      Tag Heuer Calibre E442mm does not support menstrual cycle tracking, the average smartwatch does. 64.6% of smartwatches support menstrual cycle tracking.
      What it is: Cycle logging and related predictions available through the watch and its health tools.
      When it matters: When you want health data from your wrist during the day or night.

      Importance: LOW

      Tag Heuer Calibre E442mm does not support menstrual cycle tracking, the average smartwatch does. 64.6% of smartwatches support menstrual cycle tracking.
    Total
    Overall
    Health
    Fitness
    Battery
    Display & Design
    Smart features
    Hardware

    Graphic comparison of Tag Heuer Calibre E4 42mm and other Smartwatches

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    Third-party reviews

    What customers like about Tag Heuer Calibre E4 42mm?

    • Exceptional build quality with premium materials like stainless steel or grade 2 titanium
    • Elegant, slim 42mm case design that wears more like a traditional luxury watch than a gadget
    • High-resolution AMOLED display with excellent brightness and legibility in direct sunlight
    • Beautifully designed, exclusive TAG Heuer watch faces inspired by mechanical heritage
    • Highly comfortable and infinitely adjustable strap system with a premium folding clasp
    • Fast and responsive GPS performance for outdoor activities
    • Sleek and functional charging stand that doubles as a nightstand

    What customers dislike about Tag Heuer Calibre E4 42mm?

    • Very high price point compared to smartwatches with similar or better technical features
    • Inaccurate heart rate monitoring, often reporting significantly higher or lower BPM than chest straps
    • Mediocre battery life that typically requires daily charging, especially with active GPS use
    • Lack of advanced health features found on competitors, such as ECG, sleep tracking, or SpO2
    • Does not support making or receiving phone calls or LTE connectivity
    • Limited long-term value as the hardware will eventually become obsolete, unlike mechanical TAG watches
    • Rubber crown covers have been reported to fall off under normal use

    Expert reviews

    T
    timeandtidewatches.com
    11/02/2022
    INTRODUCING: The TAG Heuer Connected Calibre E4 is smaller, sleeker in 42mm

    The TAG Heuer Connected Calibre E4 introduces a 42mm variant featuring a sleek, all-steel design with a curved sapphire crystal, offering a more refined, dress-watch aesthetic compared to the 45mm model. Both models are powered by the Snapdragon Wear 4100+ chipset for improved performance and boast enhanced battery life along with signature, bespoke digital watch faces. While the E4...Read more

    W
    wristadvisor.com
    02/07/2024
    Tag Heuer Connected Calibre E4 Luxury Smartwatch Review

    The TAG Heuer Connected Calibre E4 bridges luxury Swiss horology with modern wearable technology, featuring a refined design, superior build quality, and a stunning OLED display protected by sapphire crystal. Key strengths include a fast processor, exceptional ergonomic design, and specialized Wellness and Sports apps that enhance the user experience, alongside significant...Read more

    E
    erdalozkaya.com
    31/03/2022
    Tag Heuer Connected Calibre E4 Honest Review

    The Tag Heuer Connected Calibre E4 is presented as a premier, luxury smartwatch that successfully blends traditional Swiss craftsmanship with modern technology, featuring a durable titanium or stainless steel case and a vibrant OLED display. Key benefits include improved ergonomics with a redesigned crown, a "Sports" app for high-fidelity tracking, and enhanced battery life that...Read more

    F
    fratellowatches.com
    15/03/2022
    Hands-On With The New TAG Heuer Connected Calibre E4

    The TAG Heuer Connected Calibre E4 is a premium smartwatch that successfully merges Swiss horology with modern, high-end,, functional tech. Featuring stainless steel or titanium cases and durable sapphire crystal, the E4 acts as a "watch first and a gadget second," suitable for various occasions. Key technical upgrades include a vibrant AMOLED display, a new 42mm size option, an...Read more

    P
    pocket-lint.com
    30/04/2023
    TAG Heuer Connected Calibre E4 review: A touch of class

    The TAG Heuer Connected Calibre E4 stands out as a luxury smartwatch focusing on premium craftsmanship, featuring a high-quality titanium or steel case, sapphire crystal, and an excellent interchangeable strap system. While offering a vibrant AMOLED display and solid daily battery life, it falls short on specialized functionality, with inaccuracies in heart rate tracking during...Read more

    W
    wareable.com
    23/05/2022
    Tag Heuer Connected Calibre E4 review (42mm & 45mm tested)

    The TAG Heuer Connected Calibre E4 is a premium smartwatch that successfully blends luxury design with modern, snappy functionality, now offering 42mm and 45mm options. With a stunning AMOLED display and superior build quality, it is considered the best-looking smartwatch available, notes the Wareable review. However, the watch faces stiff competition regarding its fitness...Read more

    T
    timeandtidewatches.com
    13/03/2022
    The TAG Heuer Connected E4 delivers a luxury smartwatch experience

    The TAG Heuer Connected E4 bridges luxury horology with modern technology, featuring a refined 42mm case option with shorter lugs and a, "bezel-under-glass" design. Powered by the Qualcomm Snapdragon Wear 4100+, the device offers a "snappy" user experience with improved OLED display brightness and enhanced, 30% better battery life in the 45mm model. Pros include exceptional build...Read more

    E
    erdalozkaya.com
    25/04/2022
    Tag Heuer Connected Calibre E4 Review – Honest Guide

    The TAG Heuer Connected Calibre E4 is characterized as a premium smartwatch that merges luxury Swiss craftsmanship with advanced digital functionality, featuring a high-resolution sapphire display and refined ergonomics. The device boasts superior, custom watch faces and robust fitness tracking, including a specialized 7-minute workout app and improved battery life for all-day use....Read more

    (Translated)Show original
    W
    winfuture.de
    21/02/2022
    TAG Heuer Connected Calibre E4: New Luxury Smartwatch Review

    The TAG Heuer Connected Calibre E4 is a premium smartwatch merging Swiss luxury aesthetics with advanced wearable technology, featuring a high-end titanium or stainless steel case and a bright AMOLED display. Performance is driven by the Snapdragon Wear 4100+ chip, offering a smooth experience and, notably, improved battery life that lasts a full day even with heavy use. Key...Read more

    (Translated)Show original
    C
    computerbild.de
    20/05/2022
    TAG Heuer Connected Calibre E4: Smartwatch Review

    The Computer Bild review highlights the TAG Heuer Connected Calibre E4 as a luxury smartwatch prioritizing premium, durable design over cutting-edge technology. While praised for its high-quality aesthetics, the device faces criticism for its high price tag relative to its feature set. Performance is driven by the Snapdragon Wear 4100+ processor, providing solid daily performance...Read more

    (Translated)Show original
    W
    watch-test.com
    27 de febrero de 2022
    TAG Heuer Connected Calibre E4 - Watch Review

    The TAG Heuer Connected Calibre E4 is a luxury smartwatch combining traditional Swiss aesthetics—featuring a stainless steel/titanium case, ceramic bezel, and sapphire crystal—with Google's Wear OS. It offers high-end performance, powered by the Snapdragon 4100+ processor and exclusive, refined watch faces, complemented by a comfortable, interchangeable strap system. Despite these...Read more

    (Translated)Show original

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