TAG Heuer · 2022
Calibre E4 Size, Dimensions & Wrist Fit
The Calibre E4 looks in proportion on wrists of 16 cm (6.3 in) and up round, and fills the wrist at 17–19 cm (lug-to-lug estimated at ≈51.5mm; TAG Heuer does not publish it).
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Does the Calibre E4 fit your wrist?
The 42mm suits wrists of about 15 cm and up round; the 45mm, 16 cm and up. Both work from 16 to 21.5 cm, where it is a choice between more skin either side (the 42mm) and a case that fills the wrist (the 45mm). Under 16 cm only the 42mm's lugs stay on the wrist.
| Wrist round (mm left each side) | 42mm≈48.5mm lug to lug, est. | 45mm≈51.5mm lug to lug, est. |
|---|---|---|
| 14 cm / 5.5 in | Overhangs (1.7mm over) | Overhangs (3.2mm over) |
| 15 cm / 5.9 in | Overhangs (0.1mm over) | Overhangs (1.6mm over) |
| 16 cm / 6.3 in | Sweet spot (1.6mm) | Bold (0.1mm) |
| 17 cm / 6.7 in | Sweet spot (3.2mm) | Sweet spot (1.7mm) |
| 18 cm / 7.1 in | Balanced (4.8mm) | Sweet spot (3.3mm) |
| 19 cm / 7.5 in | Balanced (6.4mm) | Balanced (4.9mm) |
| 20 cm / 7.9 in | Balanced (8mm) | Balanced (6.5mm) |
Which Calibre E4 size fits you?
42mm · 13.9mm thick
View this size45mm · 15.1mm thick
The Calibre E4 in short
- The 42mm version is 3mm narrower and 1.2mm thinner.
- Compared with the previous Calibre E3, it is 0.2mm thinner.
Compare the Calibre E4 head to head
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Size, fit and battery side by side, against any smartwatch we list.
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Calibre E4 battery life
Published runtime
- Battery life1 day
Where it ranks among TAG Heuer watches
- Everyday use24 hours#1 of 8
- Capacity430 mAh#1 of 8
Top three in the TAG Heuer range for everyday (smartwatch) use and battery capacity.
See all 8 TAG Heuer watches ranked by battery lifeSettings to change and the 24-hour idle test are on the battery check.
2D Dimension Schematics
- TAG Heuer Calibre E4 45mm × ≈51.5mm (est.) · 15.1mm thick
3D preview
TAG Heuer Calibre E4 on a wrist
Alternatives to the Calibre E4
Calibre E4 specifications
- Battery life
- 1 days
- Display
- 1.39 inches
- Resolution
- 454 x 454 px
- Water rating
- Waterproof
- Charging
- 1.5 hours
Show all specificationsTAG Heuer's published specification, for reference · checked September 2026
Design
- width
- 45
- height
- 45
- volume
- 30.58 cm³
- thickness
- 15.1
- resolution
- 454 x 454 px
- screen size
- 1.39 inches
- Display type
- OLED/AMOLED
- Has a display
- Yes
- pixel density
- 326 ppi
- water resistance
- Waterproof
- Always-On Display
- No
- has a touch screen
- Yes
- waterproof depth rating
- 50 m
- Watch band is replaceable
- Yes
- Has sapphire glass display
- Yes
- has branded damage-resistant glass
- No
Battery
- charge time
- 1.5 hours
- battery life
- 1 days
- battery power
- 430 mAh
- has wireless charging
- Yes
- has a removable battery
- No
- Has a solar power battery
- No
- has a rechargeable battery
- Yes
Sensors
- has GPS
- Yes
- has a compass
- Yes
- Has a barometer
- Yes
- has a gyroscope
- Yes
- Has a cadence sensor
- No
- has an accelerometer
- Yes
- Monitors perspiration
- No
- Has a heart rate monitor
- Yes
- Has a temperature sensor
- No
- Monitors blood oxygenation levels
- No
Features
- CPU speed
- 4 x 0.425 GHz
- release date
- 2022-04-08
- Has a stopwatch
- Yes
- Has smart alarm
- No
- warranty period
- 2 years
- Has call control
- Yes
- Has silent alarm
- Yes
- Has notifications
- Yes
- Has ECG technology
- No
- has voice commands
- No
- Acquires GPS faster
- No
- Has vibrating alerts
- Yes
- number of microphones
- 1
- Can be used to answer calls
- No
- has irregular heart rate warnings
- No
Connectivity
- has NFC
- Yes
- supports Wi-Fi
- Yes
- Bluetooth version
- 5
- has a cellular module
- No
- Is compatible with iOS
- Yes
- Is compatible with Android
- Yes
Miscellaneous
- Has passcode
- Yes
- Is compatible with Windows
- Yes
- Is compatible with Mac OS X
- No
- has an external memory slot
- No
- has a battery level indicator
- Yes
- has a socket for a 3.5 mm audio jack
- No
App & Software
- Ad-free
- Yes
- Free app
- Yes
- Has coaching
- No
- Supports routes
- No
- Has achievements
- Yes
- Has goal setting
- Yes
- Has exercise diary
- Yes
- Can be personalised
- Yes
- Has weight tracking
- Yes
- Tracks water intake
- Yes
- Has inactivity alerts
- Yes
- Has temperature tracking
- No
- Doesn’t require account
- No
- Provides activity reports
- Yes
- Counts how many calories you've burned
- Yes
Activity tracking
- Tracks distance
- Yes
- Tracks elevation
- Yes
- Designed for golf
- No
- Tracks your sleep
- Yes
- Tracks steps taken
- Yes
- Designed for diving
- No
- Has exercise tagging
- Yes
- Has multi-sport mode
- No
- Tracks calorie intake
- Yes
- Provides sleep reports
- Yes
- Detects activities automatically
- Yes
- Has a stroke counter for swimming
- No
