Dimensions
Size comparison
Watch S2Watch 2
| Watch S2 | Watch 2 | Difference | |
|---|---|---|---|
| Height | 46.5 mm | 47.5 mm | −1 mm |
| Width | 46.5 mm | 45.9 mm | +0.6 mm |
| Thickness | 11 mm | 11.8 mm | −0.8 mm |
| Weight | 41 g | 37 g | +4 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch S2 better than Watch 2?
- Thickness11 mm vs 11.8 mm+7%
Why is Watch 2 better than Watch S2?
- NFC paymentsNo · Watch S2: Yes
- Weight41 g vs 36.8 g+11%
- Battery capacity380 mAh vs 495 mAh+30%
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | 48 mm |
| Weight | 41 g | 36.8 g |
| Thickness | 11 mm | 11.8 mm |
| Height | 46.5 mm | 47.5 mm |
| Width | 46.5 mm | 45.9 mm |
| Case material | — | Aluminium |
| Lens / cover glass | Scratch-resistant glass | — |
| Water resistance | 5 ATM | 5 ATM |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Colours | Gray, Silver | Black, Silver |
| Display | ||
| Screen size | 1.43″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 466 px | 466 px |
| Resolution (height) | 466 px | 466 px |
| Pixel density | 326 ppi | 326 ppi |
| Peak brightness | 600 nits | 600 nits |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 380 mAh | 495 mAh |
| Battery type | — | Li-Po |
| Wireless charging | No | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sensors | Accelerometer, heart rate, SpO2 | Accelerometer, gyro, compass, barometer, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | — | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Connectivity | ||
| NFC payments | No | Yes |
| LTE (cellular) | No | No |
| eSIM | No | No |
| Wi-Fi | — | Wi-Fi 5 |
| Bluetooth | — | 5.2 |
| Smart features | ||
| Speaker | Yes | Yes |
| Storage | — | 32 GB |
| RAM | — | 2 GB |
| Platform | ||
| Operating system | — | Android Wear OS |
| Platform | — | Android |
| Chipset | — | Qualcomm Snapdragon W5+ Gen 1 |
