1.50 x .11 x 380 x 11 Non-Automatic
GR4153Additional Information
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| Mainspring Height | 1.50 |
| Mainspring Thickness (Strength) | .11, 0.11 |
| Mainspring Length | 380 |
| Mainspring Barrel Diameter | 11 |
| Mainspring Type | Non Auto |
| Rolex Calibre Number | HW |
£17.55
EACH