1.15 x .07 x 200 x 6 Non-Automatic
GR2770Additional Information
| Swiss Part Description | 1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
| ETA Calibre Number | 650, 658 |
| Mainspring Height | 1.15 |
| Mainspring Thickness (Strength) | .07, 0.07 |
| Mainspring Length | 200 |
| Mainspring Barrel Diameter | 6 |
| Mainspring Type | Non Auto |
| Bulova Calibre Number | 4AT |
| Elgin Calibre Number | 370 |
| Eterna Calibre Number | 440, 444 |
| Glycine Calibre Number | 172 |
| Gruen Calibre Number | 360 |
| Lanco Calibre Number | 506, 558, 559, 56, 6 |
| Omega Calibre Number | 1T17 |
| Precimax Calibre Number | 101 |
£7.30
EACH
