Citizen 7290
Description
The caliber series 72xx was produced in the 1970ies and produced in many different
versions, even one with a high-beat (36000 A/h) chronometer.
The caliber 7290 is a low-beat movement with only 21600A/h. It uses a bidirectional selfwinding
mechanism and contains a hacking feature. The date can be corrected in the first crown position,
the weekday needs turning the hands between 18:00 and midnight.
Technical data
| Manufacturer | Citizen |
| Caliber | 7290 |
| Number of jewels | 23 |
| Escapement | Anchor with pallets |
| Balance | Glucydur |
| Shock protection(s) | Parashock 1 (Citizen) |
| Balance cock direction | clockwise |
| Hairspring stud | moveable |
| Regulator type | Hairspring key |
| Features | SCI,QG,JG,RDR,AUT |
| Functions | Hour, minute, second, day, weekday |
| Beats per hour | 21600 |
| Size | 121/2''' |
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| Factsheet |