1.45 x .08 x 300 x 8.5 Non-Automatic
GR3925Additional 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) | .08, 0.08 |
| Mainspring Length | 300 |
| Mainspring Barrel Diameter | 8.5 |
| Mainspring Type | Non Auto |
| Eterna Calibre Number | 770 |
| Helvetia Calibre Number | 106 |
| Tissot Calibre Number | 17.5, 17.5SP |
£7.30
EACH
