Citizen 7290

 
Citizen 7290 | 17jewels.info - The Movement Archive

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:
  • SCI (indirect center seconds)
  • QG (date indication (aperture))
  • JG (weekday indication (aperture))
  • RDR (date corrector)
  • AUT (selfwinding)
Production years:1968-????