1.20 x .12 x 280 x 9 Non-Automatic
GR2971Additional 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 | 280 |
| Mainspring Barrel Diameter | 9 |
| Mainspring Type | Non Auto |
| Bulova Calibre Number | 10C |
| Cyma Calibre Number | 11.7 |
| Durowe Calibre Number | 542, 585 |
| Gruen Calibre Number | 120 |
| Record Calibre Number | 113 |
£7.30
EACH
