1953?
Specifications
| Lignes | 8.75 ‴ |
|---|---|
| Mounting Diameter | 19.4 |
| Thickness | 4.1 |
| Frequency (vph) | 19,800 |
| Jewels | 17 |
| Complication | Center Seconds |
| Power | Manual |
1953?
| Lignes | 8.75 ‴ |
|---|---|
| Mounting Diameter | 19.4 |
| Thickness | 4.1 |
| Frequency (vph) | 19,800 |
| Jewels | 17 |
| Complication | Center Seconds |
| Power | Manual |