vs
6.2Display4.9
4.9Health tracking4.9
Dimensions
Size comparison
Ecowatch 3 SmartwatchSeries 31 Smartwatch
| Ecowatch 3 Smartwatch | Series 31 Smartwatch | Difference | |
|---|---|---|---|
| Case size | 42 mm | 35 mm | +7 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Ecowatch 3 Smartwatch better than Series 31 Smartwatch?
- Screen size1.32″ vs 1.19″+11%
Why is Series 31 Smartwatch better than Ecowatch 3 Smartwatch?
Series 31 Smartwatch has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | 42 mm | 35 mm |
| Weight | 55 g | — |
| Case material | — | Aluminium |
| Lens / cover glass | — | Mineralglas Mineralglas |
| Strap material | Edelstahl | Aluminium |
| Colours | Gold | Black |
| Display | ||
| Screen size | 1.32″ | 1.19″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | Yes | — |
| Resolution (width) | 466 px | — |
| Resolution (height) | 466 px | — |
| Battery | ||
| Battery capacity | 280 mAh | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | Yes | — |
| Sensors | SpO2 | SpO2 |
| Sports & navigation | ||
| Built-in GPS | — | Yes |
| Satellite systems | — | GPS |
| Connectivity | ||
| LTE (cellular) | — | Yes |
| Bluetooth | — | 5.2 |
| Platform | ||
| Works with | — | iOS, Android |
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