Amazfit · 2021
GTS 3 Size, Dimensions & Wrist Fit
Case Width
36mm
Thickness
8.8mm
Lug-to-Lug
42.4mm
Weight
24.4g
The GTS 3 looks in proportion on wrists of 13–19 cm (5.1–7.5 in) round, and fills the wrist at 14–15.5 cm (42.4mm lug to lug).
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Does the GTS 3 fit your wrist?
| Wrist round (mm left each side) | 36mm |
|---|---|
| 14 cm / 5.5 in | Sweet spot (1.4mm) |
| 15 cm / 5.9 in | Sweet spot (3mm) |
| 16 cm / 6.3 in | Balanced (4.6mm) |
| 17 cm / 6.7 in | Balanced (6.2mm) |
| 18 cm / 7.1 in | Balanced (7.8mm) |
| 19 cm / 7.5 in | Understated (9.4mm) |
| 20 cm / 7.9 in | Understated (11.1mm) |
The GTS 3 in short
- Compared with the previous GTS 2, it is 0.9mm thinner.
- Replaced by the GTS 4, which is 1.1mm thicker and 2.6g heavier.
Compare with another watch
Size, fit and battery side by side, against any smartwatch we list.
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GTS 3 battery life
Runtime by power mode
- Battery Saver20 days
- Smartwatch12 days
- Heavy use144 hours
- GPS20 hours
Charges in 2 hours
Where it ranks among Amazfit watches
- Everyday use12 days#31 of 54
- GPS tracking20 hours#26 of 29
- Power save20 days#18 of 25
- Capacity250 mAh#36 of 52
2D Dimension Schematics
- Amazfit GTS 3 36mm × 42.4mm · 8.8mm thick
3D preview
Amazfit GTS 3 on a wrist
What size band does the GTS 3 take?
Lug width
20mm
Standard spring-bar lugs: any 20mm strap with quick-release pins fits, Amazfit's or anyone else's.
Alternatives to the GTS 3
GTS 3 specifications
- Battery life
- 12 days
- Display
- 1.75 inches
- Resolution
- 390 x 450 px
- Water rating
- 5 ATM
- Strap
- 20 mm
- Charging
- 2 hours
Show all specificationsAmazfit's published specification, for reference · checked September 2026
Design
- width
- 36
- height
- 42.4
- volume
- 13.43 cm³
- weight
- 24.4 g
- thickness
- 8.8
- ATM rating
- 5 ATM
- resolution
- 390 x 450 px
- screen size
- 1.75 inches
- Display type
- OLED/AMOLED
- Has a display
- Yes
- pixel density
- 341 ppi
- width of band
- 20 mm
- water resistance
- Waterproof
- Always-On Display
- Yes
- has a touch screen
- Yes
- waterproof depth rating
- 50 m
- Watch band is replaceable
- Yes
- Has sapphire glass display
- No
- has branded damage-resistant glass
- No
Battery
- charge time
- 2 hours
- battery life
- 12 days
- battery power
- 250 mAh
- has wireless charging
- Yes
- has a removable battery
- No
- battery life with GPS on
- 20 hours
- Has a solar power battery
- No
- has a rechargeable battery
- Yes
- battery life in training mode
- 144 hours
- battery life in power save mode
- 480 hours
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
- Yes
Features
- release date
- 2021-10-12
- Has a stopwatch
- Yes
- Has smart alarm
- No
- warranty period
- 1 years
- Has call control
- Yes
- Has silent alarm
- Yes
- has HRV tracking
- No
- measures VO2 max
- Yes
- Has notifications
- Yes
- Has ECG technology
- No
- Locates your phone
- Yes
- has a front camera
- No
- has fall detection
- No
- has voice commands
- Yes
- Acquires GPS faster
- No
- Has vibrating alerts
- Yes
- number of microphones
- 1
- shows readiness level
- No
- Can be used to answer calls
- No
- measures resting heart rate
- Yes
- has irregular heart rate warnings
- No
- has fast/slow heart rate notifications
- Yes
- Has a built-in camera remote control function
- Yes
Connectivity
- has NFC
- No
- supports ANT+
- No
- supports Wi-Fi
- No
- supports Galileo
- Yes
- Bluetooth version
- 5.1
- has a cellular module
- No
- Is compatible with iOS
- Yes
- Is compatible with Android
- Yes
Miscellaneous
- has aptX
- No
- Has passcode
- Yes
- Has auto pause
- Yes
- Is compatible with Windows
- No
- Is compatible with Mac OS X
- No
- has an external memory slot
- No
- Compatible with smart scales
- Yes
- has a battery level indicator
- Yes
- has a socket for a 3.5 mm audio jack
- No
- Compatible with external heart rate monitors
- Yes
App & Software
- Ad-free
- Yes
- Free app
- Yes
- Tracks BMI
- Yes
- Has coaching
- Yes
- Includes maps
- Yes
- Supports routes
- Yes
- Has achievements
- Yes
- Has goal setting
- Yes
- Has live tracking
- Yes
- Has exercise diary
- Yes
- Predicts ovulation
- Yes
- Can be personalised
- Yes
- Has weight tracking
- Yes
- Predicts start date
- Yes
- Tracks water intake
- Yes
- Has inactivity alerts
- Yes
- Has period notifications
- Yes
- Has temperature tracking
- No
- Provides activity reports
- Yes
- Displays fertile window notifications
- Yes
- Counts how many calories you've burned
- Yes
Activity tracking
- Measures pace
- Yes
- Tracks distance
- Yes
- Tracks elevation
- Yes
- Designed for golf
- No
- Tracks your sleep
- Yes
- Tracks steps taken
- Yes
- Designed for diving
- No
- Has a route tracker
- Yes
- Has exercise tagging
- Yes
- Has multi-sport mode
- Yes
- Tracks calorie intake
- Yes
- Provides sleep reports
- Yes
- Detects activities automatically
- Yes
- Has a stroke counter for swimming
- Yes
