1.50 x .135 x 300 x 10.5 Non-Automatic
GR4205Additional 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) | 0.135 |
| Mainspring Length | 300 |
| Mainspring Barrel Diameter | 10.5 |
| Mainspring Type | Non Auto |
| Unitas Calibre Number | 145, 147, 173, 173.1SC, 174, 174.1, 174.1SC |
| Universal Calibre Number | 370 |
£17.95
EACH
