1.55 x .105 x 320 x 9.5 Non-Automatic
GR4392Additional Information
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| Mainspring Height | 1.55 |
| Mainspring Thickness (Strength) | .105, 0.105 |
| Mainspring Length | 320 |
| Mainspring Barrel Diameter | 9.5 |
| Mainspring Type | Non Auto |
| FHF Calibre Number | 200, 217 |
| GP Calibre Number | 28 |
£7.30
EACH
