1.70 x .105 x 320 x 9.5 Non-Automatic
GR4896Additional Information
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| Mainspring Height | 1.70 |
| Mainspring Thickness (Strength) | .105, 0.105 |
| Mainspring Length | 320 |
| Mainspring Barrel Diameter | 9.5 |
| Mainspring Type | Non Auto |
| FHF Calibre Number | 121, 761, 762, 78, 83, 91 |
| Lip Calibre Number | 233, 235 |
| Zodiac Calibre Number | 71 |
£7.30
EACH
