1.35 x .08 x 310 x 7.5 Non-Automatic
GR40781Additional Information
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| Mainspring Height | 1.50 |
| Mainspring Thickness (Strength) | .08, 0.08 |
| Mainspring Length | 310 |
| Mainspring Barrel Diameter | 7.5 |
| Mainspring Type | Non Auto |
| FHF Calibre Number | 138 |
£11.95
EACH
