1.45 x .105 x 280 x 9 Non-Automatic
GR3966Additional Information
| AS Calibre Number | 665, 798 |
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| Mainspring Height | 1.45 |
| Mainspring Thickness (Strength) | .105, 0.105 |
| Mainspring Length | 280 |
| Mainspring Barrel Diameter | 9 |
| Mainspring Type | Non Auto |
| Derby Calibre Number | 33, 37, 43, 44 |
| Jeambrun Calibre Number | 26D, 32 |
| MSR, Revue, GT, Vertex, Thommen Calibre Number | 11ARG |
£7.30
EACH
