Withings · 2021
ScanWatch Horizon Size, Dimensions & Wrist Fit
The ScanWatch Horizon looks in proportion on wrists of 15.5 cm (6.1 in) and up round, and fills the wrist at 16–18 cm (lug-to-lug estimated at ≈49.5mm; Withings does not publish it).
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Does the ScanWatch Horizon fit your wrist?
| Wrist round (mm left each side) | 43mm≈49.5mm lug to lug, est. |
|---|---|
| 14 cm / 5.5 in | Overhangs (2.2mm over) |
| 15 cm / 5.9 in | Overhangs (0.6mm over) |
| 16 cm / 6.3 in | Bold (1.1mm) |
| 17 cm / 6.7 in | Sweet spot (2.7mm) |
| 18 cm / 7.1 in | Sweet spot (4.3mm) |
| 19 cm / 7.5 in | Balanced (5.9mm) |
| 20 cm / 7.9 in | Balanced (7.5mm) |
The ScanWatch Horizon in short
- Rated for 30 days of use per charge.
- Water rated to 100 m.
- 72g on the wrist.
- 0.5 inches LCD display, always-on capable.
- Takes 20mm bands, so third-party straps fit without an adapter.
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Size, fit and battery side by side, against any smartwatch we list.
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ScanWatch Horizon battery life
Published runtime
- Battery life30 days
Charges in 2 hours
Where it ranks among Withings watches
- Everyday use30 days#1 of 7
Top three in the Withings range for everyday (smartwatch) use.
See all 7 Withings watches ranked by battery lifeSettings to change and the 24-hour idle test are on the battery check.
2D Dimension Schematics
- Withings ScanWatch Horizon 43mm × ≈49.5mm (est.) · 13.2mm thick
3D preview
Withings ScanWatch Horizon on a wrist
What size band does the ScanWatch Horizon take?
Lug width
20mm
Alternatives to the ScanWatch Horizon
42mm · 13.7mm thick · 52.6g42mmWithings
ScanWatch 2 42mm
39.5mm · 13mm thick · 49g39.5mmWithings
Steel HR 40mm
38mm · 13.2mm thick · 34.6g38mmWithings
ScanWatch 2 38mm
36.3mm · 13mm thick · 39g36.3mmWithings
Steel HR 36mm
43mm · 13.3mm thick · 62g43mmGarmin
Fenix 9 Pro 43mm
43mm · 13.8mm thick · 61g43mmGarmin
Fenix 9 43mm
ScanWatch Horizon specifications
- Battery life
- 30 days
- Display
- 0.5 inches
- Resolution
- 80 x 116 px
- Water rating
- 10 ATM
- Strap
- 20 mm
- Charging
- 2 hours
Show all specificationsWithings's published specification, for reference · checked September 2026
Design
- width
- 43
- height
- 43
- volume
- 24.41 cm³
- weight
- 72 g
- thickness
- 13.2
- ATM rating
- 10 ATM
- resolution
- 80 x 116 px
- screen size
- 0.5 inches
- Display type
- LCD
- Has a display
- Yes
- pixel density
- 222 ppi
- width of band
- 20 mm
- water resistance
- Waterproof
- Always-On Display
- Yes
- has a touch screen
- No
- waterproof depth rating
- 100 m
- Watch band is replaceable
- Yes
- Has sapphire glass display
- Yes
- maximum operating temperature
- 45 °C
- has branded damage-resistant glass
- No
- lowest potential operating temperature
- -10 °C
Battery
- charge time
- 2 hours
- battery life
- 30 days
- has wireless charging
- Yes
- has a removable battery
- No
- Has a solar power battery
- No
- has a rechargeable battery
- Yes
- battery life in power save mode
- 50 hours
Sensors
- has GPS
- No
- has a compass
- No
- Has a barometer
- No
- has a gyroscope
- Yes
- 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
- 2021-09-30
- Has a stopwatch
- Yes
- Has smart alarm
- No
- warranty period
- 2 years
- Has call control
- No
- Has silent alarm
- Yes
- Has notifications
- Yes
- Has ECG technology
- Yes
- Locates your phone
- No
- has voice commands
- No
- Acquires GPS faster
- No
- Has vibrating alerts
- Yes
- Can be used to answer calls
- No
- Has a built-in camera remote control function
- No
Connectivity
- has NFC
- No
- supports ANT+
- No
- supports Wi-Fi
- No
- has a cellular module
- No
- Is compatible with iOS
- Yes
- Is compatible with Android
- Yes
Miscellaneous
- Is compatible with Windows
- No
- Is compatible with Mac OS X
- No
- has an external memory slot
- No
- Compatible with smart scales
- Yes
- has a battery level indicator
- Yes
- has a socket for a 3.5 mm audio jack
- No
App & Software
- Ad-free
- Yes
- Free app
- Yes
- Tracks BMI
- Yes
- Has achievements
- Yes
- Has goal setting
- Yes
- Has exercise diary
- Yes
- Has weight tracking
- Yes
- Tracks water intake
- Yes
- Has inactivity alerts
- Yes
- Has temperature tracking
- Yes
- Provides activity reports
- Yes
- Counts how many calories you've burned
- Yes
Activity tracking
- Measures pace
- Yes
- Tracks distance
- Yes
- Tracks elevation
- Yes
- 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
- Yes
