ETA 1217
Mechanical
c. 1950
Self-winding (rotor)
No photos yet
Notes
1950-1957, 157275 (1216...1218)
equivalent automatics Eterna 1195...1199 with ball bearing
Dimensions
| Width | 22.1 lignes (49.85 mm) |
|---|---|
| Height | 5.3 mm |
| Stem height | 0.85 mm |
| Hands (H × M × S) | 1.2 × 0.7 × 0.21 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 39 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | Rotor |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | GR3193-X |
|---|---|
| Height | 1.3 mm |
| Thickness | 0.08 mm |
| Length | 220 mm |
| Barrel diameter | 6.5 mm |