1.25 x .115 x 300 x 9.5 Non-Automatic
GR3139Additional Information
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| Mainspring Height | 1.25 |
| Mainspring Thickness (Strength) | .115, 0.11, 0.115 |
| Mainspring Length | 300 |
| Mainspring Barrel Diameter | 9.5 |
| Mainspring Type | Non Auto |
| Lanco Calibre Number | 26, 826 |
| Record Calibre Number | 114 |
£13.20
EACH
