1.20 x .12 x 300 x 9.5 Non-Automatic
GR2972Additional Information
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| Mainspring Height | 1.20 |
| Mainspring Thickness (Strength) | 0.12 |
| Mainspring Length | 300 |
| Mainspring Barrel Diameter | 9.5 |
| Mainspring Type | Non Auto |
| Cyma Calibre Number | 113 |
| Ebel Calibre Number | 116 |
| GP Calibre Number | 18 |
| Gruen Calibre Number | 590 |
| Peseux Calibre Number | 325, 330, 336, 337 |
| Puw Calibre Number | 460, 461 |
£17.55
EACH
