Amazfit Smartwatch 2 — case dimensions and design

Amazfit · 2019

Smartwatch 2 Size, Dimensions & Wrist Fit

Case Width

35.4mm

Thickness

13.7mm

Battery

5 days

Weight

49g

The Smartwatch 2 looks in proportion on wrists of 13–18 cm (5.1–7.1 in) round, and fills the wrist at 13–15 cm (lug-to-lug estimated at ≈40.5mm; Amazfit does not publish it).

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Does the Smartwatch 2 fit your wrist?

Wrist round (mm left each side)	35.4mm≈40.5mm lug to lug, est.
14 cm / 5.5 in	Sweet spot (2.3mm)
15 cm / 5.9 in	Balanced (3.9mm)
16 cm / 6.3 in	Balanced (5.6mm)
17 cm / 6.7 in	Balanced (7.2mm)
18 cm / 7.1 in	Understated (8.8mm)
19 cm / 7.5 in	Understated (10.4mm)
20 cm / 7.9 in	Understated (12mm)

How the fit model works · Size chart for every wrist

The Smartwatch 2 in short

At 13.7mm, the thickest of the 11 Amazfit watches 34–36mm across.
49g on the wrist. Heavier than 88% of the 33 smartwatches 35mm 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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Smartwatch 2 battery life

Published runtime

Battery life5 days

Charges in 1.5 hours

Where it ranks among Amazfit watches

Everyday use5 days#51 of 54
Capacity420 mAh#13 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 Smartwatch 2 35.4mm × ≈40.5mm (est.) · 13.7mm thick

3D preview

Amazfit Smartwatch 2 on a wrist

What size band does the Smartwatch 2 take?

Lug width

14mm

Alternatives to the Smartwatch 2

Smartwatch 2 — Frequently Asked Questions

Is the Amazfit Smartwatch 2 thick for a 35mm watch?

At 13.7mm, thicker than 88% of the 33 smartwatches 35mm across that we track — it will sit noticeably high on the wrist.

Smartwatch 2 specifications

Battery life: 5 days
Display: 1.39 inches
Resolution: 454 x 454 px
Water rating: Waterproof
Glass: Gorilla Glass 3
Strap: 14 mm
Storage: 4GB
Charging: 1.5 hours

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

Design

width: 35.4
height: 35.4
volume: 17.17 cm³
weight: 49 g
thickness: 13.7
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: 14 mm
water resistance: Waterproof
Always-On Display: No
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: 1.5 hours
battery life: 5 days
battery power: 420 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: No
Has a barometer: No
has a gyroscope: No
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

RAM: 0.51GB
CPU speed: 4 x 1.1 GHz
release date: 2019-06-11
Has a stopwatch: Yes
Has smart alarm: Yes
warranty period: 2 years
Has call control: No
Has silent alarm: No
internal storage: 4GB
Has notifications: Yes
Has ECG technology: No
Locates your phone: No
has a front camera: No
has fall detection: No
has voice commands: No
Acquires GPS faster: No
Has vibrating alerts: Yes
Can be used to answer calls: No
has irregular heart rate warnings: No
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: 4
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: No
Has period notifications: Yes
Has temperature tracking: No
Provides activity reports: No
Counts how many calories you've burned: No

Activity tracking

Measures pace: No
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: No
Has a stroke counter for swimming: No

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