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Realme TechLife Watch S100 — case dimensions and design

Realme · 2022

TechLife Watch S100 Size, Dimensions & Wrist Fit

Case Width

25.1mm

Thickness

11.6mm

Lug-to-Lug

35.8mm

Weight

34g

The TechLife Watch S100 looks in proportion on wrists of 13–16 cm (5.1–6.3 in) round, and fills the wrist at 13–13 cm (35.8mm lug to lug).

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Does the TechLife Watch S100 fit your wrist?

Wrist round (mm left each side)25.1mm
14 cm / 5.5 inBalanced (4.7mm)
15 cm / 5.9 inBalanced (6.3mm)
16 cm / 6.3 inUnderstated (7.9mm)
17 cm / 6.7 inUnderstated (9.5mm)
18 cm / 7.1 inUnderstated (11.1mm)
19 cm / 7.5 inUnderstated (12.7mm)
20 cm / 7.9 inUnderstated (14.4mm)

How the fit model works · Size chart for every wrist

The TechLife Watch S100 in short

  • Rated for 12 days of use per charge.
  • Water rated to 1.5 m.
  • 34g on the wrist.
  • 1.69 inches LCD display.
  • Takes 20mm 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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TechLife Watch S100 battery life

Published runtime

  • Battery life12 days

Where it ranks among Realme watches

  • Everyday use12 days#6 of 12
  • Capacity260 mAh#10 of 12
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 TechLife Watch S100 25.1mm × 35.8mm · 11.6mm thick

3D preview

Realme TechLife Watch S100 on a wrist

Open 3D try-on

What size band does the TechLife Watch S100 take?

Lug width

20mm

TechLife Watch S100 specifications

Battery life
12 days
Display
1.69 inches
Resolution
240 x 280 px
Water rating
Waterproof
Strap
20 mm
Show all specificationsRealme's published specification, for reference · checked September 2026

Design

width
25.1
height
35.8
volume
10.42 cm³
weight
34 g
thickness
11.6
resolution
240 x 280 px
screen size
1.69 inches
Display type
LCD
Has a display
Yes
pixel density
218 ppi
width of band
20 mm
water resistance
Waterproof
Always-On Display
No
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
12 days
battery power
260 mAh
has wireless charging
Yes
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
Yes
Monitors blood oxygenation levels
Yes

Features

release date
2022-03-09
Has a stopwatch
Yes
Has smart alarm
No
Has silent alarm
Yes
Has notifications
Yes
Has ECG technology
No
Locates your phone
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
Bluetooth version
5.1
has a cellular module
No
Is compatible with iOS
Yes
Is compatible with Android
Yes

Miscellaneous

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
Yes
Doesn’t require account
Yes
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