1930 – 1960
Specifications
| Lignes | 12 ‴ |
|---|---|
| Mounting Diameter | 27 |
| Thickness | 5.55 |
| Frequency (vph) | 18,000 |
| Jewels | 17 |
| Hand Sizes | 1.60, 1.00, 0.22 |
| Complication | Center Seconds |
| Power | Manual |
| Shape | Round |
| Size | Large |
1930 – 1960
| Lignes | 12 ‴ |
|---|---|
| Mounting Diameter | 27 |
| Thickness | 5.55 |
| Frequency (vph) | 18,000 |
| Jewels | 17 |
| Hand Sizes | 1.60, 1.00, 0.22 |
| Complication | Center Seconds |
| Power | Manual |
| Shape | Round |
| Size | Large |