1.70 x .14 x 640 x 15 Non-Automatic
GR4983Additional Information
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| Mainspring Height | 1.70 |
| Mainspring Thickness (Strength) | 0.14 |
| Mainspring Length | 640 |
| Mainspring Barrel Diameter | 15 |
| Mainspring Type | Non Auto |
| Valjoux Calibre Number | 7700 |
£7.30
EACH
