vs
5.2Smart features3.9
Dimensions
Size comparison
Watch SE (2nd Gen)Watch 3 Pro
| Watch SE (2nd Gen) | Watch 3 Pro | Difference | |
|---|---|---|---|
| Case size | 44 mm | 36.8 mm | +7.2 mm |
| Thickness | 10.7 mm | 11.7 mm | −1 mm |
| Weight | 33 g | 41 g | −8 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch SE (2nd Gen) better than Watch 3 Pro?
- Weight32.9 g vs 40.7 g+24%
- Resolution (width)448 px vs 364 px+23%
- Thickness10.7 mm vs 11.7 mm+9%
Why is Watch 3 Pro better than Watch SE (2nd Gen)?
Watch 3 Pro has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | 44 mm | 45 mm |
| Weight | 32.9 g | 40.7 g |
| Thickness | 10.7 mm | 11.7 mm |
| Height | — | 45 mm |
| Width | — | 36.8 mm |
| Case material | — | Plastic / polymer |
| Colours | — | Black, Gray |
| Display | ||
| Screen size | — | 1.78″ |
| Display technology | — | AMOLED |
| Panel | — | AMOLED |
| AMOLED / OLED display | — | Yes |
| Resolution (width) | 448 px | 364 px |
| Resolution (height) | 368 px | 448 px |
| Pixel density | — | 325 ppi |
| Peak brightness | — | 500 nits |
| Refresh rate | — | 60 Hz |
| Battery | ||
| Battery capacity | — | 345 mAh |
| Battery type | — | Li-Ion |
| Wireless charging | Yes | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | — | Yes |
| Sleep tracking | Yes | — |
| Sensors | — | Accelerometer, heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Compass | Yes | — |
| Connectivity | ||
| NFC payments | — | No |
| LTE (cellular) | — | No |
| eSIM | — | No |
| Bluetooth | 5.3 | 5.3 |
| 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 | — |









