1.15 x .075 x 240 x 7 Non-Automatic
GR2777Additional Information
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| ETA Calibre Number | 844 |
| Mainspring Height | 1.15 |
| Mainspring Thickness (Strength) | .075, 0.075 |
| Mainspring Length | 240 |
| Mainspring Barrel Diameter | 7 |
| Mainspring Type | Non Auto |
| Eterna Calibre Number | 370, 615 |
| Helbros Calibre Number | 35 |
| Movado Calibre Number | 28 |
| Vulcain Calibre Number | 775 |
£7.30
EACH
