Xiaomi · 2023
Watch S3Size, Dimensions & Wrist Fit
The Xiaomi Watch S3 sits best on flat wrist widths of about 49–67mm (≈ 13.1–17.9cm wrist circumference). Adjust the slider below to check your wrist.
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The Watch S3 in short
The figures that decide whether this watch suits you, pulled out of the full specification sheet further down.
- Between 3 hours and 15 days per charge depending on the power mode — smartwatch at best, gps at worst.
- Water rated to 50 m.
- 44g on the wrist. Lighter than 82% of the 47mm watches we have weights for.
- 1.43 inches OLED/AMOLED display, always-on capable.
Does the Watch S3 fit your wrist?
Drag the slider to your wrist width and see the Watch S3 overlaid at true scale. Lug-to-lug — not case diameter — decides whether a watch overhangs your wrist.
Happy with the fit? Check current availability for the Watch S3.
Check offer2D Dimension Schematics
The Watch S3 drawn to scale — from above, and in profile against the wrist.
- Xiaomi Watch S347mm · 12mm thick
3D preview
Xiaomi Watch S3 on a wrist
On an arm sized to your own wrist — the view a product photo never gives you.
Shapes are built from published measurements, not manufacturer 3D models — accurate proportions, generic dial.
How long the Watch S3 lasts, by power mode
Runtime changes by a factor of 120 depending on what you leave switched on. Bars are scaled against the longest mode.
- Smartwatch15 days
- Training3 hours
- GPS3 hours
How the Watch S3 ranks on battery
Against the 32 Xiaomi watches in our database, ranked on each figure Xiaomi publishes.
- Everyday use15 days#6 of 32
- Capacity486 mAh#11 of 32
Watch S3 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
- Storage
- 4GB
- Charging
- 0.83 hours
Full specification sheet
109 published lines across 8 groups, unedited
Design
- width
- 47
- height
- 47
- volume
- 26.51 cm³
- weight
- 44 g
- thickness
- 12
- 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
- water resistance
- Waterproof
- Always-On Display
- has a touch screen
- is designed for kids
- waterproof depth rating
- 50 m
- Watch band is replaceable
- Has sapphire glass display
- maximum operating temperature
- 45 °C
- has branded damage-resistant glass
- lowest potential operating temperature
- -10 °C
Battery
- charge time
- 0.83 hours
- battery life
- 15 days
- battery power
- 486 mAh
- has wireless charging
- has a removable battery
- battery life with GPS on
- 3 hours
- Has a solar power battery
- has a rechargeable battery
- battery life in training mode
- 3 hours
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
- RAM
- 32MB
- release date
- 2023-10-26
- Has a stopwatch
- Has smart alarm
- warranty period
- 1 years
- Has call control
- Has silent alarm
- internal storage
- 4GB
- measures VO2 max
- Has notifications
- Has ECG technology
- Locates your phone
- has fall detection
- has voice commands
- Acquires GPS faster
- Has vibrating alerts
- number of microphones
- 1
- 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
- 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
- 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
- number of exercises
- 150
- 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
- Tracks calorie intake
- Provides sleep reports
- Detects activities automatically
- Has a stroke counter for swimming
Compare the Watch S3 head to head
How each one differs in the three measurements you can feel on the wrist. Figures are relative to the Watch S3.
Xiaomi
Watch 5
- Width
- same mm
- Thick
- +0.3mm
- Weight
- +12g
Apple
Watch Ultra 3
- Width
- -3mm
- Thick
- same mm
- Weight
- +17.8g
Pixel Watch 4 - 45mm
- Width
- -2mm
- Thick
- +0.3mm
- Weight
- -7.3g
Amazfit
Balance 2
- Width
- +0.4mm
- Thick
- +0.3mm
- Weight
- -1g
Garmin
Forerunner® 570 - 47mm
- Width
- same mm
- Thick
- +0.9mm
- Weight
- +6g
Garmin
Forerunner® 970
- Width
- same mm
- Thick
- +0.9mm
- Weight
- +12g
Xiaomi
Watch S4
- Width
- +0.3mm
- Thick
- same mm
- Weight
- +0.5g
Xiaomi
Watch S4 Sport
- Width
- -0.1mm
- Thick
- +0.6mm
- Weight
- +5g
Samsung
Galaxy Watch Ultra
- Width
- +0.4mm
- Thick
- +0.1mm
- Weight
- +16.5g
Amazfit
Active Edge
- Width
- -0.4mm
- Thick
- same mm
- Weight
- -10g
Xiaomi
Watch S3 eSIM
- Width
- same mm
- Thick
- same mm
- Weight
- same g
Huawei
Watch 4 Pro
- Width
- +0.6mm
- Thick
- +0.9mm
- Weight
- +21g
Alternatives to the Watch S3
Watches that cover a similar amount of wrist, with the measurements that separate them.
Xiaomi
Watch 5
- Width
- 47mm
- Thick
- 12.3mm
- Weight
- 56g
Xiaomi
Watch S3 eSIM
- Width
- 47mm
- Thick
- 12mm
- Weight
- 44g
Xiaomi
Watch S4 Sport
- Width
- 46.9mm
- Thick
- 12.6mm
- Weight
- 49g
Xiaomi
Watch S4
- Width
- 47.3mm
- Thick
- 12mm
- Weight
- 44.5g
Xiaomi
Watch S1 Active
- Width
- 46.5mm
- Thick
- 11mm
- Weight
- 36g
Xiaomi
Watch S1
- Width
- 46.5mm
- Thick
- 11mm
- Weight
- 53g
Watch S3 — Frequently Asked Questions
Will the Xiaomi Watch S3 fit my wrist?
The Xiaomi Watch S3 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.
How long does the Xiaomi Watch S3 battery last?
Between 3 hours and 15 days per charge, depending on the power mode. Xiaomi rates Smartwatch at 15 days and GPS at 3 hours; the chart above lists all 3 modes.
How does the Xiaomi Watch S3 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 S3 thick for a 47mm watch?
At 12mm, thinner than 74% of 47mm 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.
What other watches are the same size as the Xiaomi Watch S3?
Oppo Watch X3, CMF Watch 3 Pro, Amazfit Balance 2, Garmin Forerunner® 570 - 47mm all sit within half a millimetre of the Xiaomi Watch S3's 47mm case, so they cover the same amount of wrist.
