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ExploreOmegaSpeedmaster Moonwatch Professional Chronograph Manual Cal. 1861
Omega Speedmaster Moonwatch Professional Chronograph Manual Cal. 1861
Discontinued

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Omega

Speedmaster Moonwatch Professional Chronograph Manual Cal. 1861

3873.50.31

Discontinued 2015
Reference3873.50.31
Year Introduced2003
Case Diameter42 mm
Case ShapeRound
Lug to Lug49.6 mm (est.)
MovementManual
Made InSwitzerland