ETA 1281
Mechanical
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Dimensions
| Width | 25.6 lignes (57.75 mm) |
|---|---|
| Height | 3.6 mm |
| Stem height | 0.7 mm |
| Hands (H × M × S) | 1.5 × 0.8 × 0.21 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 55 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | GR4503 |
|---|---|
| Height | 1.6 mm |
| Thickness | 0.11 mm |
| Length | 300 mm |
| Barrel diameter | 9 mm |