SmartWatch Size, Dimensions & Wrist Fit
The SmartWatch looks in proportion on wrists of 13–18.5 cm (5.1–7.3 in) round, and fills the wrist at 13.5–15 cm (lug-to-lug estimated at ≈41.5mm; Sony does not publish it).
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Does the SmartWatch fit your wrist?
| Wrist round (mm left each side) | 36mm≈41.5mm lug to lug, est. |
|---|---|
| 14 cm / 5.5 in | Sweet spot (1.8mm) |
| 15 cm / 5.9 in | Sweet spot (3.4mm) |
| 16 cm / 6.3 in | Balanced (5.1mm) |
| 17 cm / 6.7 in | Balanced (6.7mm) |
| 18 cm / 7.1 in | Balanced (8.3mm) |
| 19 cm / 7.5 in | Understated (9.9mm) |
| 20 cm / 7.9 in | Understated (11.5mm) |
The SmartWatch in short
- Rated for 3 days of use per charge.
- 41.5g on the wrist.
- 1.3 inches LCD display.
Compare with another watch
Size, fit and battery side by side, against any smartwatch we list.
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SmartWatch battery life
Published runtime
- Battery life3 days
Where it ranks among Sony watches
- Everyday use3 days#3 of 6
Top three in the Sony range for everyday (smartwatch) use.
See all 6 Sony watches ranked by battery lifeSettings to change and the 24-hour idle test are on the battery check.
2D Dimension Schematics
- Sony SmartWatch 36mm × ≈41.5mm (est.) · 8mm thick
3D preview
Sony SmartWatch on a wrist
Alternatives to the SmartWatch
SmartWatch specifications
- Battery life
- 3 days
- Display
- 1.3 inches
- Resolution
- 128 x 128 px
- Water rating
- Sweat resistant
Show all specificationsSony's published specification, for reference · checked September 2026
Design
- width
- 36
- height
- 36
- volume
- 10.37 cm³
- weight
- 41.5 g
- thickness
- 8
- resolution
- 128 x 128 px
- screen size
- 1.3 inches
- Display type
- LCD
- Has a display
- Yes
- pixel density
- 139 ppi
- water resistance
- Sweat resistant
- has a touch screen
- Yes
Battery
- battery life
- 3 days
- has a rechargeable battery
- Yes
Features
- warranty period
- 1 years
- Has call control
- Yes
- Has notifications
- Yes
- Has a built-in camera remote control function
- Yes
Connectivity
- Bluetooth version
- 3
- Is compatible with Android
- Yes
Miscellaneous
- has a battery level indicator
- Yes
