| Mainspring Height |
1.60 |
| Mainspring Thickness (Strength) |
.095, 0.095 |
| Mainspring Length |
320 |
| Mainspring Barrel Diameter |
9 |
| Mainspring Type |
Non Auto |
| Alpina Calibre Number |
586 |
| Damas Calibre Number |
511 |
| Durowe Calibre Number |
28, 32 |
| Felsa Calibre Number |
294, 297, 300, 304, 309, 313, 314, 316, 317, 321, 344, 383, 384 |
| Helbros Calibre Number |
280B, 800C, 820, 82A, 82C |
| Oris Calibre Number |
373, 580, 583 |
| Swiss Part Description |
1208, 20.100, 20.102, 20100, 20102, 770, 771, 7770, 7771, 7772, MainSpring, Mainsprings |
