1.40 x .075 x 220 x 6.5 Non-Automatic
GR3589Additional Information
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| ETA Calibre Number | 745, 749, 787 |
| Mainspring Height | 1.40 |
| Mainspring Thickness (Strength) | .075, 0.075 |
| Mainspring Length | 220 |
| Mainspring Barrel Diameter | 6.5 |
| Mainspring Type | Non Auto |
| Bulova Calibre Number | 4AM, 6EA |
£11.95
EACH
