Mobvoi TicWatch E3 — case dimensions and design

Mobvoi · 2021

TicWatch E3 Size, Dimensions & Wrist Fit

Case Width

44mm

Thickness

12.6mm

Lug-to-Lug

47mm

Weight

32g

The TicWatch E3 looks in proportion on wrists of 14.5–21 cm (5.7–8.3 in) round, and fills the wrist at 15.5–17 cm (47mm lug to lug).

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Does the TicWatch E3 fit your wrist?

Wrist round (mm left each side)	44mm
14 cm / 5.5 in	Overhangs (0.9mm over)
15 cm / 5.9 in	Bold (0.7mm)
16 cm / 6.3 in	Sweet spot (2.3mm)
17 cm / 6.7 in	Sweet spot (3.9mm)
18 cm / 7.1 in	Balanced (5.5mm)
19 cm / 7.5 in	Balanced (7.1mm)
20 cm / 7.9 in	Balanced (8.8mm)

How the fit model works · Size chart for every wrist

The TicWatch E3 in short

Compared with the previous TicWatch E2, it is 2.9mm narrower and 0.3mm thinner.
Rated for 4 days of use per charge.
Water rated to 1.5 m.
32g on the wrist.
1.3 inches AMOLED display, always-on capable.

Compare with another watch

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

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TicWatch E3 battery life

Published runtime

Battery life4 days

Where it ranks among Mobvoi watches

Everyday use4 days#5 of 18
Capacity380 mAh#13 of 17

See all 18 Mobvoi 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

Mobvoi TicWatch E3 44mm × 47mm · 12.6mm thick

3D preview

Mobvoi TicWatch E3 on a wrist

What size band does the TicWatch E3 take?

Lug width

20mm

Alternatives to the TicWatch E3

TicWatch E3 specifications

Battery life: 4 days
Display: 1.3 inches
Resolution: 360 x 360 px
Water rating: Waterproof
Strap: 20 mm
Storage: 8GB

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

Design

width: 44
height: 47
volume: 26.06 cm³
weight: 32 g
thickness: 12.6
resolution: 360 x 360 px
screen size: 1.3 inches
Display type: OLED/AMOLED
Has a display: Yes
pixel density: 391 ppi
width of band: 20 mm
water resistance: Waterproof
Always-On Display: Yes
has a touch screen: Yes
waterproof depth rating: 1.5 m
Watch band is replaceable: Yes
Has sapphire glass display: No
Ingress Protection (IP) rating: IP68
has branded damage-resistant glass: No

Battery

battery life: 4 days
battery power: 380 mAh
has wireless charging: No
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: 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

RAM: 1GB
release date: 2021-06-01
Has a stopwatch: Yes
Has smart alarm: No
Has call control: Yes
Has silent alarm: Yes
internal storage: 8GB
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
Can be used to answer calls: Yes
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: Yes
Wi-Fi version: Wi-Fi 4 (802.11n)
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
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

App & Software

Ad-free: Yes
Free app: Yes
Has coaching: No
Supports routes: No
Has achievements: Yes
Has goal setting: Yes
Has exercise diary: Yes
Can be personalised: Yes
Has weight tracking: Yes
Tracks water intake: Yes
Has inactivity alerts: Yes
Has temperature tracking: No
Doesn’t require account: 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: 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

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