1.40 x .17 x 460 x 14 Non-Automatic
GR3831Additional Information
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| Mainspring Height | 1.40 |
| Mainspring Thickness (Strength) | .17, 0.17 |
| Mainspring Length | 460 |
| Mainspring Barrel Diameter | 14 |
| Mainspring Type | Non Auto |
| Am Calibre Number | 131, 520, 560 |
| Felsa Calibre Number | 131 |
| Unitas Calibre Number | 211, 217, 219, 221, 225 |
£7.30
EACH
