| Manufacturer | Longines |
| Caliber | 431 |
| Number of jewels | 25 |
| Escapement | Anchor with pallets |
| Balance | Glucydur |
| Shock protection(s) | KIF Ultraflex |
| Balance cock direction | clockwise |
| Hairspring stud | moveable |
| Regulator type | Excenter |
| Features | SCI,QG,AUT |
| Functions | Hour, minute, second, day |
| Beats per hour | 36000 |
| Size | 111/2''' |
| Production time | 1967 - ? |
| Image in Flume Werksucher | K3 214 |
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