1.60 x .105 x 260 x 8.5 Non-Automatic
GR4501Additional Information
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| Mainspring Height | 1.60 |
| Mainspring Thickness (Strength) | .105, 0.105 |
| Mainspring Length | 260 |
| Mainspring Barrel Diameter | 8.5 |
| Mainspring Type | Non Auto |
| Freco Calibre Number | 10, 15 |
| Reconvillier Calibre Number | 7734 |
£15.95
EACH
