1.70 x .12 x 300 x 9 Non-Automatic
GR4934Additional Information
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| ETA Calibre Number | 640, 641 |
| Mainspring Height | 1.70 |
| Mainspring Thickness (Strength) | 0.12 |
| Mainspring Length | 300 |
| Mainspring Barrel Diameter | 9 |
| Mainspring Type | Non Auto |
| Oris Calibre Number | 200, 201, 201T, 203, 204 |
| Roamer Calibre Number | 1645, 236, 264, 296, 59 |
£7.30
EACH
