Speedmaster Professional Moonphase / Strap
Omega · Omega Speedmaster Moonwatch

Speedmaster Professional Moonphase / Strap

Ref. 3876.50.31

The Omega Speedmaster Professional Moonphase reference 3876.50.31 was introduced in 2003. It is powered by the hand-wound caliber 1866, which provides it with a moonphase and (pointer-)date at 12 o'clock. This version is fitted with an alligator strap.

Release year
2003
Case diameter
42 mm
Lug width
20 mm
Water resistance
50 m
Case material
Stainless Steel
Crystal
Sapphire
Dial
Black
Movement
Omega caliber 1866
Movement type
Handwound
Display
Analog
Power reserve
45 h
Frequency
21600 vph
Jewels
17
Movement diameter
27 mm
Complications
Chronograph, Date, Hours, Minutes, Moonphase, Small Seconds

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