Omega caliber 866
Omega · Movement

Omega caliber 866

Ref. 866

First generation Omega moonwatch movement with moonphase display. Made from 1985 to 1988.

Type
Handwound
Display
Analog
Power reserve
45 h
Frequency
21600 vph
Jewels
17
Diameter
27 mm
Complications
Chronograph, Date, Hours, Minutes, Moonphase, Small Seconds
Base caliber
Omega caliber 1861