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 |
| Size: | 12 1/2''' |
| A/h: | 21600 |
| Number of jewels: | 23 |
| Escapement: | Pallet lever |
| Balance types: | Glucydur anular balance |
| Shock protection(s): | Parashock 1 (Citizen) |
| Balance bearing / direction hairspring: | Clockwise |
| Moveable stud: | yes |
| Adjust mechanism: | Hairspring key |
| Features: |
|
| Production years: | 1968-???? |