Umidigi Uwatch 2 — case dimensions and design

Umidigi · 2019

Uwatch 2 Size, Dimensions & Wrist Fit

Case Width

43.8mm

Thickness

12mm

Battery

10 days

Weight

71g

The Uwatch 2 looks in proportion on wrists of 15.5 cm (6.1 in) and up round, and fills the wrist at 16.5–18.5 cm (lug-to-lug estimated at ≈50.5mm; Umidigi does not publish it).

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Does the Uwatch 2 fit your wrist?

Wrist round (mm left each side)	43.8mm≈50.5mm lug to lug, est.
14 cm / 5.5 in	Overhangs (2.7mm over)
15 cm / 5.9 in	Overhangs (1.1mm over)
16 cm / 6.3 in	Bold (0.6mm)
17 cm / 6.7 in	Sweet spot (2.2mm)
18 cm / 7.1 in	Sweet spot (3.8mm)
19 cm / 7.5 in	Balanced (5.4mm)
20 cm / 7.9 in	Balanced (7mm)

How the fit model works · Size chart for every wrist

The Uwatch 2 in short

Replaced by the Uwatch 3S, which is 0.9mm thicker and 46g lighter.
Rated for 10 days of use per charge.
Water resistant; no depth rating published.
71g on the wrist.
1.33 inches IPS, LCD display.

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

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Uwatch 2 battery life

Published runtime

Battery life10 days

Charges in 2 hours

Where it ranks among Umidigi watches

Everyday use10 days#4 of 6

See all 6 Umidigi watches ranked by battery life

Settings to change and the 24-hour idle test are on the battery check.

2D Dimension Schematics

Top view

Side view

Umidigi Uwatch 2 43.8mm × ≈50.5mm (est.) · 12mm thick

3D preview

Umidigi Uwatch 2 on a wrist

What size band does the Uwatch 2 take?

Lug width

22mm

Alternatives to the Uwatch 2

Uwatch 2 specifications

Battery life: 10 days
Display: 1.33 inches
Resolution: 240 x 240 px
Water rating: Water resistant
Strap: 22 mm
Charging: 2 hours

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

Design

width: 43.8
height: 43.8
volume: 23.02 cm³
weight: 71 g
thickness: 12
resolution: 240 x 240 px
screen size: 1.33 inches
Display type: IPS, LCD
Has a display: Yes
pixel density: 255 ppi
width of band: 22 mm
water resistance: Water resistant
Always-On Display: No
has a touch screen: Yes
Watch band is replaceable: Yes
Has sapphire glass display: No
maximum operating temperature: 50 °C
has branded damage-resistant glass: No
lowest potential operating temperature: -10 °C

Battery

charge time: 2 hours
battery life: 10 days
battery power: 180 mAh
has wireless charging: No
has a removable battery: No
Has a solar power battery: No
has a rechargeable battery: Yes

Sensors

has GPS: No
has a compass: No
Has a barometer: No
has a gyroscope: No
Has a cadence sensor: No
has an accelerometer: No
Monitors perspiration: No
Has a heart rate monitor: Yes
Has a temperature sensor: No
Monitors blood oxygenation levels: No

Features

release date: 2019-08-16
Has a stopwatch: Yes
Has smart alarm: No
warranty period: 1 years
Has call control: Yes
Has silent alarm: Yes
Has notifications: Yes
Locates your phone: No
has a front camera: No
has voice commands: No
Acquires GPS faster: No
Has vibrating alerts: Yes
Can be used to answer calls: No
Has a built-in camera remote control function: Yes

Connectivity

has NFC: No
supports ANT+: No
supports Wi-Fi: No
Bluetooth version: 5
has a cellular module: No
Is compatible with iOS: Yes
Is compatible with Android: Yes

Miscellaneous

Is compatible with Windows: No
Is compatible with Mac OS X: No
has a battery level indicator: Yes
has a socket for a 3.5 mm audio jack: No

App & Software

Has achievements: Yes
Has goal setting: Yes
Has weight tracking: No
Tracks water intake: No
Has inactivity alerts: Yes
Provides activity reports: Yes
Counts how many calories you've burned: Yes

Activity tracking

Measures pace: Yes
Tracks distance: Yes
Tracks elevation: No
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: No

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