WatchFitTool
Xiaomi Watch S4 Sport — case dimensions and design

Xiaomi · 2024

Watch S4 SportSize, Dimensions & Wrist Fit

Case Width

46.9mm

Thickness

12.6mm

Battery

15 days

Weight

49g

The Xiaomi Watch S4 Sport sits best on flat wrist widths of about 4967mm (≈ 13.117.9cm wrist circumference). Adjust the slider below to check your wrist.

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The Watch S4 Sport in short

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

  • Rated for 15 days of use per charge.
  • Water rated to 40 m.
  • 49g on the wrist. Lighter than 70% of the 47mm watches we have weights for.
  • 1.43 inches OLED/AMOLED display, always-on capable.
  • Takes 22mm bands, so third-party straps fit without an adapter.

Does the Watch S4 Sport fit your wrist?

Drag the slider to your wrist width and see the Watch S4 Sport 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 S4 Sport
Case: 46.9mmL2L: 46.9mmThick: 12.6mm
Edge Clearance
+4.05mm
Sweet Spot4.05mm clearance. Perfect for sports watches - bold presence, no overhang.

Happy with the fit? Check current availability for the Watch S4 Sport.

Check offer

2D Dimension Schematics

The Watch S4 Sport 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 S4 Sport46.9mm · 12.6mm thick

3D preview

Xiaomi Watch S4 Sport 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.

Watch S4 Sport battery life

The runtime the manufacturer publishes for everyday use.

  • Smartwatch15 days

How the Watch S4 Sport ranks on battery

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

  • Everyday use15 days#6 of 32
  • Capacity586 mAh#2 of 32

Top three in the Xiaomi range for battery capacity.

What size band does the Watch S4 Sport take?

Lug width

22mm

Any 22mm strap fits, so you are not restricted to Xiaomi's own bands. Quick-release pins let you swap without tools — check that a replacement lists 22mm and quick-release before buying.

Affiliate disclosure: As an Amazon Associate, WatchFitTool earns from qualifying purchases. If you buy through links on this page, we may earn a commission at no extra cost to you. Learn more.

Watch S4 Sport specifications

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

Battery life
15 days
Display
1.43 inches
Resolution
466 x 466 px
Water rating
5 ATM
Strap
22 mm
Storage
32GB

Full specification sheet

106 published lines across 8 groups, unedited

Design

width
46.9
height
46.9
volume
27.72 cm³
weight
49 g
thickness
12.6
ATM rating
5 ATM
resolution
466 x 466 px
screen size
1.43 inches
Display type
OLED/AMOLED
Has a display
pixel density
326 ppi
width of band
22 mm
water resistance
Waterproof
Always-On Display
has a touch screen
is designed for kids
waterproof depth rating
40 m
Watch band is replaceable
Has sapphire glass display
has branded damage-resistant glass

Battery

battery life
15 days
battery power
586 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 a cadence sensor
has an accelerometer
Monitors perspiration
Has a heart rate monitor
Has a temperature sensor
Monitors blood oxygenation levels

Features

release date
2024-07-19
Has a stopwatch
Has smart alarm
warranty period
1 years
Has call control
Has silent alarm
has HRV tracking
internal storage
32GB
measures VO2 max
Has notifications
Has ECG technology
Locates your phone
has a front camera
has fall detection
has voice commands
Acquires GPS faster
Has vibrating alerts
number of microphones
1
shows readiness level
Can be used to answer calls
measures resting heart rate
has irregular heart rate warnings
has fast/slow heart rate notifications
Has a built-in camera remote control function

Connectivity

has NFC
SIM cards
1 eSIM
supports ANT+
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

App & Software

Ad-free
Free app
Has coaching
Includes maps
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
Counts how many calories you've burned

Activity tracking

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

Watch S4 Sport — Frequently Asked Questions

Will the Xiaomi Watch S4 Sport fit my wrist?

The Xiaomi Watch S4 Sport looks balanced on flat wrist widths of roughly 49–67mm (about 13.1–17.9cm circumference). Drag the slider above to check it against your own measurement.

What size band does the Xiaomi Watch S4 Sport take?

22mm. Any 22mm strap fits, so you are not limited to Xiaomi's own bands — look for a quick-release fitting if you want to swap without tools.

How long does the Xiaomi Watch S4 Sport battery last?

Xiaomi rates it at 15 days per charge in everyday use.

How does the Xiaomi Watch S4 Sport battery compare with other Xiaomi watches?

At 15 days in everyday use it ranks #6 of the 32 Xiaomi watches in our database — the top 19% of the range. The full ranking, including GPS and power-saving figures, is on our Xiaomi battery life comparison.

Is the Xiaomi Watch S4 Sport thick for a 47mm watch?

At 12.6mm, middle of the pack for thickness at this width. Thickness, not case width, is what decides whether a watch catches on a shirt cuff.

What other watches are the same size as the Xiaomi Watch S4 Sport?

Oppo Watch X3, CMF Watch 3 Pro, Amazfit Balance 2, Garmin Forerunner® 570 - 47mm all sit within half a millimetre of the Xiaomi Watch S4 Sport's 46.9mm case, so they cover the same amount of wrist.