1.70 x .20 x 400 x 15 Non-Automatic
GR5105Additional Information
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| Mainspring Height | 1.70 |
| Mainspring Thickness (Strength) | .20, 0.20 |
| Mainspring Length | 400 |
| Mainspring Barrel Diameter | 15 |
| Mainspring Type | Non Auto |
| Roamer Calibre Number | 238, 252, 256, 257, 260, 261, 291, 292 |
| Valjoux Calibre Number | 320, 321, 330, 340, 360 |
£7.30
EACH
