| Manufacturer | PUW |
| Caliber | 1561D |
| Number of jewels | 21 |
| Escapement | Anchor with pallets |
| Balance | Nickel |
| Shock protection(s) | Antichoc S65 |
| Balance cock direction | clockwise |
| Hairspring stud | moveable |
| Regulator type | Hairspring key |
| Features | SCD,DIG,QG,RDR,AUT |
| Functions | Hour, minute, second, day, selfwinding (digital) |
| Beats per hour | 21600 |
| Size | 111/2''' |
| Production time | 1971-1975 |
| Image in Flume Werksucher | K3N1 - |
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