1.50 x .11 x 320 x 9.5 Non-Automatic
GR4150Additional Information
| Mainspring Height | 1.50 |
| Mainspring Thickness (Strength) | .11, 0.11 |
| Mainspring Length | 320 |
| Mainspring Barrel Diameter | 9.5 |
| Mainspring Type | Non Auto |
| Certina Calibre Number | 190 |
| Lip Calibre Number | 26 |
| Osco Calibre Number | 1060 |
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
