WatchFitTool
Realme Watch S — case dimensions and design

Realme · 2020

Watch S Size, Dimensions & Wrist Fit

Case Width

47mm

Thickness

12mm

Battery

15 days

Weight

48g

The Watch S looks in proportion on wrists of 16.5 cm (6.5 in) and up round, and fills the wrist at 17.5–19.5 cm (lug-to-lug estimated at ≈54mm; Realme does not publish it).

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Does the Watch S fit your wrist?

Wrist round (mm left each side)47mm≈54mm lug to lug, est.
14 cm / 5.5 inOverhangs (4.4mm over)
15 cm / 5.9 inOverhangs (2.8mm over)
16 cm / 6.3 inOverhangs (1.2mm over)
17 cm / 6.7 inBold (0.4mm)
18 cm / 7.1 inSweet spot (2mm)
19 cm / 7.5 inSweet spot (3.6mm)
20 cm / 7.9 inBalanced (5.3mm)

How the fit model works · Size chart for every wrist

The Watch S in short

  • Rated for 15 days of use per charge.
  • Water rated to 1.5 m.
  • 48g on the wrist.
  • 1.3 inches IPS, 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 S battery life

Published runtime

  • Battery life15 days

Where it ranks among Realme watches

  • Everyday use15 days#3 of 12
  • Capacity390 mAh#2 of 12

Top three in the Realme range for everyday (smartwatch) use and battery capacity.

See all 12 Realme 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
  • Realme Watch S 47mm × ≈54mm (est.) · 12mm thick

3D preview

Realme Watch S on a wrist

Open 3D try-on

What size band does the Watch S take?

Lug width

22mm

Watch S specifications

Battery life
15 days
Display
1.3 inches
Resolution
360 x 360 px
Water rating
Waterproof
Glass
Gorilla Glass 3
Strap
22 mm
Show all specificationsRealme's published specification, for reference · checked September 2026

Design

width
47
height
47
volume
26.51 cm³
weight
48 g
thickness
12
resolution
360 x 360 px
screen size
1.3 inches
Display type
IPS, LCD
Has a display
Yes
pixel density
278 ppi
width of band
22 mm
water resistance
Waterproof
Always-On Display
No
has a touch screen
Yes
Gorilla Glass version
Gorilla Glass 3
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
Yes

Battery

battery life
15 days
battery power
390 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
Yes
Monitors perspiration
No
Has a heart rate monitor
Yes
Has a temperature sensor
No
Monitors blood oxygenation levels
Yes

Features

release date
2020-11-03
Has a stopwatch
Yes
Has smart alarm
No
warranty period
1 years
Has call control
Yes
Has silent alarm
Yes
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
Can be used to answer calls
No
has irregular heart rate warnings
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 auto pause
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
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
number of exercises
9 (Realme Link)
Has inactivity alerts
Yes
Has temperature tracking
No
Doesn’t require account
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
Yes
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