WatchFitTool
Ulefone Watch Pro — case dimensions and design

Ulefone · 2020

Watch Pro Size, Dimensions & Wrist Fit

Case Width

36.1mm

Thickness

12.2mm

Lug-to-Lug

48.7mm

Weight

40g

The Watch Pro looks in proportion on wrists of 15 cm (5.9 in) and up round, and fills the wrist at 16–18 cm (48.7mm lug to lug).

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Does the Watch Pro fit your wrist?

Wrist round (mm left each side)36.1mm
14 cm / 5.5 inOverhangs (1.8mm over)
15 cm / 5.9 inOverhangs (0.2mm over)
16 cm / 6.3 inSweet spot (1.5mm)
17 cm / 6.7 inSweet spot (3.1mm)
18 cm / 7.1 inBalanced (4.7mm)
19 cm / 7.5 inBalanced (6.3mm)
20 cm / 7.9 inBalanced (7.9mm)

How the fit model works · Size chart for every wrist

The Watch Pro in short

  • Rated for 40 days of use per charge.
  • Water rated to 50 m.
  • 40g on the wrist.
  • 1.55 inches LCD display.
  • Takes 22mm bands, so third-party straps fit without an adapter.

Compare with another watch

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

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Watch Pro battery life

Published runtime

  • Battery life40 days

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

2D Dimension Schematics

Top view
Side view
  • Ulefone Watch Pro 36.1mm × 48.7mm · 12.2mm thick

3D preview

Ulefone Watch Pro on a wrist

Open 3D try-on

What size band does the Watch Pro take?

Lug width

22mm

Watch Pro specifications

Battery life
40 days
Display
1.55 inches
Resolution
320 x 360 px
Water rating
Waterproof
Strap
22 mm
Show all specificationsUlefone's published specification, for reference · checked September 2026

Design

width
36.1
height
48.7
volume
21.45 cm³
weight
40 g
thickness
12.2
resolution
320 x 360 px
screen size
1.55 inches
Display type
LCD
Has a display
Yes
pixel density
311 ppi
width of band
22 mm
water resistance
Waterproof
Always-On Display
No
has a touch screen
Yes
waterproof depth rating
50 m
Watch band is replaceable
Yes
Has sapphire glass display
No
has branded damage-resistant glass
No

Battery

battery life
40 days
battery power
210 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
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
2020-10-07
Has a stopwatch
Yes
Has smart alarm
No
Has call control
No
Has silent alarm
Yes
Has notifications
No
Has ECG technology
No
Locates your phone
No
has voice commands
No
Acquires GPS faster
No
Has vibrating alerts
Yes
Can be used to answer calls
No

Connectivity

has NFC
No
supports ANT+
No
supports Wi-Fi
No
Bluetooth version
5.2
has a cellular module
No
Is compatible with iOS
Yes
Is compatible with Android
Yes

Miscellaneous

Has passcode
No
Is compatible with Windows
Yes
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
No
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
No
Tracks distance
No
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
No
Tracks calorie intake
Yes
Provides sleep reports
Yes
Detects activities automatically
Yes
Has a stroke counter for swimming
No
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