vs
2.0Build & durability6.6
Dimensions
Size comparison
R8851112001Watch S2
| R8851112001 | Watch S2 | Difference | |
|---|---|---|---|
| Case size | 45 mm | 46 mm | −1 mm |
| Thickness | 13.3 mm | 10.7 mm | +2.6 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is R8851112001 better than Watch S2?
R8851112001 has no measurable advantages in this pair.
Why is Watch S2 better than R8851112001?
- AMOLED / OLED displayNo · R8851112001: Yes
- Water resistance3 ATM vs 5 ATM+67%
- Thickness13.3 mm vs 10.7 mm+24%
Specifications
Side by side
| Design & durability | ||
| Case size | 45 mm | 46 mm |
| Weight | 150 g | — |
| Thickness | 13.3 mm | 10.7 mm |
| Height | — | 46 mm |
| Width | — | 46 mm |
| Case material | Stainless steel | Stainless steel |
| Sapphire crystal | — | Yes |
| Lens / cover glass | Mineralglas | — |
| Strap material | Leder | — |
| Water resistance | 3 ATM | 5 ATM |
| Water rating (maker) | 3 ATM | — |
| Colours | Black, Silver | Black, Silver, Light Gold |
| Display | ||
| Screen size | — | 1.43″ |
| Display technology | — | AMOLED |
| Panel | — | AMOLED |
| AMOLED / OLED display | No | Yes |
| Resolution (width) | — | 466 px |
| Resolution (height) | — | 466 px |
| Pixel density | — | 326 ppi |
| Refresh rate | — | 60 Hz |
| Battery | ||
| Battery capacity | — | 500 mAh |
| Battery type | — | Li-Po |
| Wireless charging | — | Yes |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | — | Yes |
| Skin temperature | — | Yes |
| Temperature sensor | — | Yes |
| Sleep tracking | Yes | — |
| Sensors | heart rate | Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (skin temperature), body composition (BMI) |
| Sports & navigation | ||
| Built-in GPS | — | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | — | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Connectivity | ||
| NFC payments | — | Yes |
| LTE (cellular) | — | No |
| eSIM | — | No |
| Bluetooth | — | 5.2 |
| Smart features | ||
| Speaker | — | Yes |
| Platform | ||
| Operating system | — | Proprietary OS |
| Platform | — | Proprietary |









