vs
9.4Display8.6
5.5Health tracking4.9
Why is Watch 102 better than Ecowatch 4?
Watch 102 has no measurable advantages in this pair.
Why is Ecowatch 4 better than Watch 102?
- Battery capacity250 mAh vs 260 mAh+4%
Specifications
Side by side
| Design & durability | ||
| Weight | — | 45 g |
| Strap material | Silikon | Silikon |
| Colours | Black | Black |
| Display | ||
| Screen size | 1.83″ | 1.85″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | — | Yes |
| Resolution (width) | — | 390 px |
| Resolution (height) | — | 450 px |
| Battery | ||
| Battery life (smartwatch mode) | 4 days | — |
| Battery capacity | 250 mAh | 260 mAh |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sensors | heart rate, SpO2, accelerometer | heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GPS | GPS |
| Connectivity | ||
| Bluetooth | 5.3 | 5 |









