1.40 x .13 x 280 x 9 Non-Automatic
GR3747Additional 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) | 0.13 |
| Mainspring Length | 280 |
| Mainspring Barrel Diameter | 9 |
| Mainspring Type | Non Auto |
| EB Calibre Number | 244, 559, 582 |
| Felsa Calibre Number | 178 |
| Kurtz Calibre Number | 26 |
£7.30
EACH
