Amazfit GTR — case dimensions and design

Amazfit · 2019

GTR Size, Dimensions & Wrist Fit

Case Width

47.2mm

Thickness

10.75mm

Battery

12 days

Weight

48g

The GTR looks in proportion on wrists of 17 cm (6.7 in) and up round, and fills the wrist at 18–20 cm (lug-to-lug estimated at ≈54.5mm; Amazfit does not publish it).

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Does the GTR fit your wrist?

Wrist round (mm left each side)	47.2mm≈54.5mm lug to lug, est.
14 cm / 5.5 in	Overhangs (4.7mm over)
15 cm / 5.9 in	Overhangs (3.1mm over)
16 cm / 6.3 in	Overhangs (1.4mm over)
17 cm / 6.7 in	Bold (0.2mm)
18 cm / 7.1 in	Sweet spot (1.8mm)
19 cm / 7.5 in	Sweet spot (3.4mm)
20 cm / 7.9 in	Balanced (5mm)

How the fit model works · Size chart for every wrist

The GTR in short

At 10.8mm, the 2nd thinnest of the 11 Amazfit watches 46–48mm across.
48g on the wrist. Lighter than 87% of the 64 smartwatches 47mm 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 battery life

Runtime by power mode

Smartwatch12 days
GPS40 hours

Charges in 2 hours

Where it ranks among Amazfit watches

Everyday use12 days#32 of 54
GPS tracking40 hours#9 of 29
Capacity410 mAh#16 of 52

See all 54 Amazfit watches ranked by battery life

Settings, the 24-hour idle test and known firmware drains →

2D Dimension Schematics

Top view

Side view

Amazfit GTR 47.2mm × ≈54.5mm (est.) · 10.8mm thick

3D preview

Amazfit GTR on a wrist

What size band does the GTR take?

Lug width

22mm

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

Alternatives to the GTR

GTR — Frequently Asked Questions

Is the Amazfit GTR thick for a 47mm watch?

At 10.75mm, thinner than 98% of the 64 smartwatches 47mm across that we track, so it slides under a cuff more easily than most of its size.

GTR specifications

Battery life: 12 days
Display: 1.39 inches
Resolution: 454 x 454 px
Water rating: 5 ATM
Glass: Gorilla Glass 3
Strap: 22 mm
Charging: 2 hours

Show all specificationsAmazfit's published specification, for reference · checked September 2026

Design

width: 47.2
height: 47.2
volume: 23.95 cm³
weight: 48 g
thickness: 10.75
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 hours
battery life: 12 days
battery power: 410 mAh
has wireless charging: Yes
has a removable battery: No
battery life with GPS on: 40 hours
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

release date: 2019-07-16
Has a stopwatch: Yes
Has smart alarm: No
Has call control: Yes
Has silent alarm: Yes
has HRV tracking: No
measures VO2 max: No
Has notifications: Yes
Has ECG technology: No
Locates your phone: Yes
has a front camera: No
has fall detection: No
has voice commands: No
Acquires GPS faster: No
Has vibrating alerts: Yes
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: No

Connectivity

has NFC: No
supports ANT+: No
supports Wi-Fi: No
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
Is compatible with Windows: No
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
Compatible with external heart rate monitors: Yes

App & Software

Ad-free: Yes
Free app: Yes
Tracks BMI: Yes
Supports routes: Yes
Has achievements: Yes
Has goal setting: Yes
Has exercise diary: Yes
Can be personalised: Yes
Has weight tracking: No
Predicts start date: Yes
Tracks water intake: No
Has inactivity alerts: Yes
Has period notifications: Yes
Has temperature tracking: No
Provides activity reports: 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: Yes
Has multi-sport mode: Yes
Tracks calorie intake: No
Provides sleep reports: Yes
Detects activities automatically: Yes
Has a stroke counter for swimming: Yes

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