1.40 x .125 x 320 x 10 Non-Automatic
GR3740Additional Information
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| Mainspring Height | 1.40 |
| Mainspring Thickness (Strength) | .125, 0.125 |
| Mainspring Length | 320 |
| Mainspring Barrel Diameter | 10 |
| Mainspring Type | Non Auto |
| Becker Calibre Number | 1051, 115, 1151, 1161, 120, 120MS |
| Elgin Calibre Number | 845 |
| Gruen Calibre Number | 525, 535 |
| Hanhart Calibre Number | 115 |
| Moeris Calibre Number | 11 |
| Timex Calibre Number | 115 |
£16.95
EACH
