1.25 x .11 x 320 x 10 Automatic
GR3699XAdditional 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) | .11, 0.11 |
| Mainspring Length | 320 |
| Mainspring Barrel Diameter | 10 |
| Mainspring Type | Auto |
| Ronda Harley Calibre Number | 1239.21 |
| Ronda RE, RL Calibre Number | 1238.21, 1239, 1239.21 |
£7.30
EACH
