ETA 1261
Mechanical
No photos yet
Notes
differences not known between 1261, 1263, 1265, 1267, 1269, 1271, 1273, 1277
Dimensions
| Width | 25.6 lignes (57.75 mm) |
|---|---|
| Height | 3.95 mm |
| Stem height | 0.9 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 | 53 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | GR5266 |
|---|---|
| Height | 1.8 mm |
| Thickness | 0.11 mm |
| Length | 300 mm |
| Barrel diameter | 9 mm |