1.35 x .09 x 260 x 8 Non-Automatic
GR3497Additional Information
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| Mainspring Height | 1.35 |
| Mainspring Thickness (Strength) | .09, 0.09 |
| Mainspring Length | 260 |
| Mainspring Barrel Diameter | 8 |
| Mainspring Type | Non Auto |
| FEF Calibre Number | 6680, 6686 |
| Oris Calibre Number | 311 |
£11.95
EACH
