1.20 x .10 x 300 x 9 Non-Automatic
GR2920Additional Information
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| Mainspring Height | 1.20 |
| Mainspring Thickness (Strength) | .10, 0.10 |
| Mainspring Length | 300 |
| Mainspring Barrel Diameter | 9 |
| Mainspring Type | Non Auto |
| Blancpain Calibre Number | 44 |
| Bulova Calibre Number | 11AF, 6AO, 6AS, 6AW |
| Election Calibre Number | 765 |
| Helbros Calibre Number | 21, 55 |
| Rayville Calibre Number | 44 |
| Vulcain Calibre Number | 6511 |
£16.95
EACH
