Omega caliber 1866
Omega · Movement

Omega caliber 1866

Ref. 1866

Handwound chronograph movement with moonphase and date at 12 o'clock as found in the Omega Speedmaster Professional.

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

Variants

1
3604 A

Used in

9 models