1.45 x .17 x 520 x 15 Non-Automatic
GR4024Additional Information
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| Mainspring Height | 1.45 |
| Mainspring Thickness (Strength) | .17, 0.17 |
| Mainspring Length | 520 |
| Mainspring Barrel Diameter | 15 |
| Mainspring Type | Non Auto |
| Landeron Calibre Number | 117, 120, 127, 130, 217, 219, 220 |
