1.80 x .21 x 420 x 16 Non-Automatic
GR5428Additional Information
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| Mainspring Height | 1.80 |
| Mainspring Thickness (Strength) | 0.21 |
| Mainspring Length | 420 |
| Mainspring Barrel Diameter | 16 |
| Mainspring Type | Non Auto |
| Pierce Calibre Number | 156, 170, 170LA |
£7.30
EACH
