vs
5.2Smart features6.5
Dimensions
Size comparison
Watch SE (2nd Gen)Watch S2
| Watch SE (2nd Gen) | Watch S2 | Difference | |
|---|---|---|---|
| Case size | 44 mm | 46 mm | −2 mm |
| Thickness | 10.7 mm | 10.7 mm | = |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch SE (2nd Gen) better than Watch S2?
Watch SE (2nd Gen) has no measurable advantages in this pair.
Why is Watch S2 better than Watch SE (2nd Gen)?
- Resolution (width)448 px vs 466 px+4%
Specifications
Side by side
| Design & durability | ||
| Case size | 44 mm | 46 mm |
| Weight | 32.9 g | — |
| Thickness | 10.7 mm | 10.7 mm |
| Height | — | 46 mm |
| Width | — | 46 mm |
| Case material | — | Stainless steel |
| Sapphire crystal | — | Yes |
| Water resistance | — | 5 ATM |
| Colours | — | Black, Silver, Light Gold |
| Display | ||
| Screen size | — | 1.43″ |
| Display technology | — | AMOLED |
| Panel | — | AMOLED |
| AMOLED / OLED display | — | Yes |
| Resolution (width) | 448 px | 466 px |
| Resolution (height) | 368 px | 466 px |
| Pixel density | — | 326 ppi |
| Refresh rate | — | 60 Hz |
| Battery | ||
| Battery capacity | — | 500 mAh |
| Battery type | — | Li-Po |
| Wireless charging | Yes | Yes |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | — | Yes |
| Skin temperature | — | Yes |
| Temperature sensor | — | Yes |
| Sleep tracking | Yes | — |
| Sensors | — | Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (skin temperature), body composition (BMI) |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | — | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | — | Yes |
| Compass | Yes | Yes |
| Connectivity | ||
| NFC payments | — | Yes |
| LTE (cellular) | — | No |
| eSIM | — | No |
| Bluetooth | 5.3 | 5.2 |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Speaker | — | Yes |
| Voice assistant | Yes | — |
| Music on the watch | Yes | — |
| Platform | ||
| Operating system | — | Proprietary OS |
| Platform | — | Proprietary |
| Works with | iOS | — |









