WatchFitTool
Amazfit GTR 2 — case dimensions and design

Amazfit · 2020

GTR 2 Size, Dimensions & Wrist Fit

Case Width

46.4mm

Thickness

10.7mm

Battery

11 days

Weight

39g

The GTR 2 looks in proportion on wrists of 16.5 cm (6.5 in) and up round, and fills the wrist at 17.5–19.5 cm (lug-to-lug estimated at ≈53.5mm; Amazfit does not publish it).

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Does the GTR 2 fit your wrist?

Wrist round (mm left each side)46.4mm≈53.5mm lug to lug, est.
14 cm / 5.5 inOverhangs (4.2mm over)
15 cm / 5.9 inOverhangs (2.6mm over)
16 cm / 6.3 inOverhangs (0.9mm over)
17 cm / 6.7 inBold (0.7mm)
18 cm / 7.1 inSweet spot (2.3mm)
19 cm / 7.5 inSweet spot (3.9mm)
20 cm / 7.9 inBalanced (5.5mm)

How the fit model works · Size chart for every wrist

The GTR 2 in short

  • Replaced by the GTR 3, which is 0.6mm narrower and 7g lighter.
  • At 10.7mm, the joint 3rd thinnest of the 18 Amazfit watches 45–47mm across.
  • 39g on the wrist. Lighter than 82% of the 92 smartwatches 46mm across that we have weights for.

Compare with another watch

Size, fit and battery side by side, against any smartwatch we list.

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GTR 2 battery life

Runtime by power mode

  • Battery Saver38 days
  • Smartwatch11 days
  • Heavy use144 hours
  • GPS48 hours
Charges in 2.5 hours

Where it ranks among Amazfit watches

  • Everyday use11 days#35 of 54
  • GPS tracking48 hours#3 of 29
  • Power save38 days#6 of 25
  • Capacity471 mAh#9 of 52

Top three in the Amazfit range for continuous GPS tracking.

See all 54 Amazfit watches ranked by battery life

2D Dimension Schematics

Top view
Side view
  • Amazfit GTR 2 46.4mm × ≈53.5mm (est.) · 10.7mm thick

3D preview

Amazfit GTR 2 on a wrist

Open 3D try-on

What size band does the GTR 2 take?

Lug width

22mm

Standard spring-bar lugs: any 22mm strap with quick-release pins fits, Amazfit's or anyone else's.

GTR 2 — Frequently Asked Questions

Is the Amazfit GTR 2 thick for a 46mm watch?

At 10.7mm, thinner than 92% of the 95 smartwatches 46mm across that we track, so it slides under a cuff more easily than most of its size.

GTR 2 specifications

Battery life
11 days
Display
1.39 inches
Resolution
454 x 454 px
Water rating
5 ATM
Glass
Gorilla Glass 3
Strap
22 mm
Storage
3GB
Charging
2.5 hours
Show all specificationsAmazfit's published specification, for reference · checked September 2026

Design

width
46.4
height
46.4
volume
23.04 cm³
weight
39 g
thickness
10.7
ATM rating
5 ATM
resolution
454 x 454 px
screen size
1.39 inches
Display type
OLED/AMOLED
Has a display
Yes
pixel density
326 ppi
width of band
22 mm
water resistance
Waterproof
Always-On Display
Yes
has a touch screen
Yes
Gorilla Glass version
Gorilla Glass 3
waterproof depth rating
50 m
Watch band is replaceable
Yes
Has sapphire glass display
No
has branded damage-resistant glass
Yes

Battery

charge time
2.5 hours
battery life
11 days
battery power
471 mAh
has wireless charging
No
has a removable battery
No
battery life with GPS on
48 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
912 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
2020-12-17
Has a stopwatch
Yes
Has smart alarm
No
warranty period
1 years
Has call control
Yes
Has silent alarm
Yes
has HRV tracking
No
internal storage
3GB
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
Yes
measures resting heart rate
Yes
has irregular heart rate warnings
Yes
has fast/slow heart rate notifications
Yes
Has a built-in camera remote control function
No

Connectivity

has NFC
Yes
supports ANT+
No
supports Wi-Fi
Yes
supports Galileo
No
Bluetooth version
5
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
No
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
No
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
No
Has exercise tagging
No
Has multi-sport mode
Yes
Tracks calorie intake
No
Provides sleep reports
Yes
Detects activities automatically
Yes
Has a stroke counter for swimming
Yes