ETA 2412
Mechanical
c. 1955
No photos yet
Notes
1955-
early fixed (Fig.1, 3), later mobile stud carrier (Fig.5)
indirectly driven minute allows a very big balance
differences unknown: 2412, 2413, 2417
Dimensions
| Width | 15.3 lignes (34.51 mm) |
|---|---|
| Height | 3.4 mm |
| Stem height | 1 mm |
| Hands (H × M × S) | 1.2 × 0.6 × ? mm |
Technical data
| Beat rate | 21,600 vph (3 Hz) |
|---|---|
| Lift angle | 51 ° |
| Power reserve | 40 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | GR2412 |
|---|---|
| Height | 1.43 mm |
| Thickness | 0.07 mm |
| Length | 196 mm |
| Barrel diameter | — |