1.15 x .15 x 360 x 11.5 Automatic
GR2820XAdditional Information
| AS Calibre Number | 1919, 1920 |
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| Mainspring Height | 1.15 |
| Mainspring Thickness (Strength) | 0.15 |
| Mainspring Length | 360 |
| Mainspring Barrel Diameter | 11.5 |
| Mainspring Type | Auto |
£7.30
EACH
