3.00 x .20 x 540 x 16.5 T- End
GR7199TAdditional Information
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| Mainspring Height | 3.00 |
| Mainspring Thickness (Strength) | .20, 0.20 |
| Mainspring Length | 540 |
| Mainspring Barrel Diameter | 16.5 |
| Mainspring Type | T End |
| Longines Calibre Number | 21.26 |
£18.35
EACH
