1.70 x .10 x 280 x 8.5 Non-Automatic
GR4878Additional 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) | .10, 0.10 |
| Mainspring Length | 280 |
| Mainspring Barrel Diameter | 8.5 |
| Mainspring Type | Non Auto |
| Jeambrun Calibre Number | 217, 217TC |
£7.30
EACH
