1939
Specifications
| Lignes | 10.5 ‴ |
|---|---|
| Mounting Diameter | 23.3 |
| Thickness | 3 |
| Frequency (vph) | 18,000 |
| Jewels | 17 |
| Power Reserve | 44 |
| Hand Sizes | 1.32, 0.72, 0.20 |
| Power | Manual |
| Shape | Round |
| Size | Medium |
Notes
Thin version of the 10.68z, M designation stands for 'mince', thin in French