Citizen 7290

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

ManufacturerCitizen
Caliber7290
Number of jewels23
EscapementAnchor with pallets
BalanceGlucydur
Shock protection(s)Parashock 1 (Citizen)
Balance cock directionclockwise
Hairspring studmoveable
Regulator typeHairspring key
FeaturesSCI,QG,JG,RDR,AUT
FunctionsHour, minute, second, day, weekday
Beats per hour21600
Size121/2'''
Factsheet