1.25 x .105 x 420 x 11 Non-Automatic
GR3131Additional Information
| Brac Calibre Number | 120, 122, 126, 128, 20, 23, 26, 28 |
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| Mainspring Height | 1.25 |
| Mainspring Thickness (Strength) | .105, 0.105 |
| Mainspring Length | 420 |
| Mainspring Barrel Diameter | 11 |
| Mainspring Type | Non Auto |
£7.30
EACH
