WatchFitTool
Xiaomi Watch S2 42mm — case dimensions and design

Xiaomi · 2022

Watch S2 42mmSize, Dimensions & Wrist Fit

Case Width

42mm

Thickness

10.2mm

Battery

3 days

Weight

The Xiaomi Watch S2 42mm sits best on flat wrist widths of about 4460mm (≈ 11.716.0cm wrist circumference). Adjust the slider below to check your wrist.

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The Watch S2 42mm in short

The figures that decide whether this watch suits you, pulled out of the full specification sheet further down.

  • Rated for 3 days of use per charge.
  • Water rated to 5 ATM.
  • 10.2mm thick. Thinner than 90% of 42mm watches, so it slides under a cuff more easily than most of its size.
  • 1.32 inches OLED/AMOLED display.

Does the Watch S2 42mm fit your wrist?

Drag the slider to your wrist width and see the Watch S2 42mm overlaid at true scale. Lug-to-lug — not case diameter — decides whether a watch overhangs your wrist.

Watch Fit Tool

For sports watches, Lug-to-Lug (L2L) is what matters most. Bulky is fine — overhang is not.

mm
40.0mm (small)80.0mm (large)
How to Measure
1

Lay arm flat, palm up.

2

Measure the flat width across top of wrist.

Xiaomi Watch S2 42mm
Case: 42mmL2L: 42mmThick: 10.2mm
Edge Clearance
+6.5mm
Balanced Fit6.5mm clearance. Comfortable everyday wear with room to spare.

Happy with the fit? Check current availability for the Watch S2 42mm.

Check offer

2D Dimension Schematics

The Watch S2 42mm drawn to scale — from above, and in profile against the wrist.

Highlight
From above — true scale
From the side — how far it sits off the wrist
  • Xiaomi Watch S2 42mm42mm · 10.2mm thick

3D preview

Xiaomi Watch S2 42mm on a wrist

On an arm sized to your own wrist — the view a product photo never gives you.

Open 3D try-on

Shapes are built from published measurements, not manufacturer 3D models — accurate proportions, generic dial.

Which Watch S2 size fits you?

This model comes in 2 versions. Set your measurement and each one reports its own verdict — tap any size to open its page.

Which of these fits your wrist?

55.0mm

Roughly a 14.7cm wrist circumference — the measurement a tape gives you. Compared against lug-to-lug where we have it, case width otherwise.

All 2 Watch S2 variants fit this wrist. The 46mm gives you the most presence without overhanging; the smallest is the discreet end of the range.

42mmViewing
Balanced Fit
Width
42mm
Thick
10.2mm
Weight

6.5mm clear a side

46mmBest fit
Balanced Fit
Width
46mm
Thick
10.7mm
Weight

4.5mm clear a side

View this size

Watch S2 42mm battery life

The runtime the manufacturer publishes for everyday use.

  • Smartwatch3 days

How the Watch S2 42mm ranks on battery

Against the 32 Xiaomi watches in our database, ranked on each figure Xiaomi publishes.

  • Everyday use3 days#28 of 32
  • Capacity305 mAh#25 of 32

Watch S2 42mm specifications

The figures that decide a purchase, followed by every line Xiaomi publishes.

Battery life
3 days
Display
1.32 inches
Resolution
466 x 466 px
Water rating
5 ATM

Full specification sheet

91 published lines across 8 groups, unedited

Design

width
42
height
42
volume
17.99 cm³
thickness
10.2
ATM rating
5 ATM
resolution
466 x 466 px
screen size
1.32 inches
Display type
OLED/AMOLED
Has a display
pixel density
353 ppi
water resistance
Water resistant
Always-On Display
has a touch screen
Watch band is replaceable
Has sapphire glass display
has branded damage-resistant glass

Battery

battery life
3 days
battery power
305 mAh
has wireless charging
has a removable battery
Has a solar power battery
has a rechargeable battery

Sensors

has GPS
has a compass
Has a barometer
has a gyroscope
has an accelerometer
Monitors perspiration
Has a heart rate monitor
Has a temperature sensor
Monitors blood oxygenation levels

Features

release date
2022-12-11
Has a stopwatch
Has smart alarm
warranty period
1 years
Has call control
Has silent alarm
Has notifications
Has ECG technology
has fall detection
has voice commands
Has vibrating alerts
Can be used to answer calls
has irregular heart rate warnings
Has a built-in camera remote control function

Connectivity

has NFC
supports Wi-Fi
supports Galileo
Bluetooth version
5.2
has a cellular module
Is compatible with iOS
Is compatible with Android

Miscellaneous

Has passcode
Is compatible with Windows
Is compatible with Mac OS X
has an external memory slot
has a battery level indicator
has a socket for a 3.5 mm audio jack
Compatible with external heart rate monitors

App & Software

Free app
Has coaching
Supports routes
Has achievements
Has goal setting
Has exercise diary
Predicts ovulation
Can be personalised
Has weight tracking
Predicts start date
Tracks water intake
Has inactivity alerts
Has period notifications
Has temperature tracking
Doesn’t require account
Provides activity reports
Displays fertile window notifications
Counts how many calories you've burned

Activity tracking

Measures pace
Tracks distance
Tracks elevation
Designed for golf
Tracks your sleep
Tracks steps taken
Designed for diving
Has a route tracker
Has exercise tagging
Has multi-sport mode
Tracks calorie intake
Provides sleep reports
Detects activities automatically
Has a stroke counter for swimming

Watch S2 42mm — Frequently Asked Questions

Will the Xiaomi Watch S2 42mm fit my wrist?

The Xiaomi Watch S2 42mm looks balanced on flat wrist widths of roughly 44–60mm (about 11.7–16.0cm circumference). Drag the slider above to check it against your own measurement.

How long does the Xiaomi Watch S2 42mm battery last?

Xiaomi rates it at 3 days per charge in everyday use.

How does the Xiaomi Watch S2 42mm battery compare with other Xiaomi watches?

At 3 days in everyday use it ranks #28 of the 32 Xiaomi watches in our database — below the middle of the range. The full ranking, including GPS and power-saving figures, is on our Xiaomi battery life comparison.

Is the Xiaomi Watch S2 42mm thick for a 42mm watch?

At 10.2mm, thinner than 90% of 42mm watches, so it slides under a cuff more easily than most of its size. Thickness, not case width, is what decides whether a watch catches on a shirt cuff.

Should I get the 42mm or 46mm Watch S2?

The Watch S2 comes in 2 case sizes — 42mm, 46mm. Which one suits you depends on the flat width of your wrist rather than preference: the larger sizes need a wider wrist to sit inside the edge. Set your measurement in the size picker above and each variant reports its clearance in millimetres.

What other watches are the same size as the Xiaomi Watch S2 42mm?

Certina DS Action Chrono PVD / Carbon / Bracelet, Omega Speedmaster Professional Moonwatch 3861 Moonshine Gold / Black Lacquer, TAG Heuer Carrera Chronograph Seafarer Stainless Steel / Silver, Huawei Watch 5 - 42mm all sit within half a millimetre of the Xiaomi Watch S2 42mm's 42mm case, so they cover the same amount of wrist.