Speedmaster Professional Moonphase 3876.50.31 Reference 3876.
Speedmaster Professional Moonphase / Strap
Overview
The Omega Speedmaster Professional Moonphase 3876.50.31 comes in a 42 mm steel case with a black dial. The movement is the manual-winding Omega calibre 1866, with a 48 hour power reserve. Water resistance is 50 metres. One reference is listed, 3876.50.31.
- Case diameter
- 42 mm
- 13.55 mm thick
- Movement
- Calibre 1866
- Water resistance
- 50 m
- Power reserve
- 48 h
Specifications
Specifications from Omega and WatchBase. Last checked . SourcesNot yet recorded: lug-to-lug, case back, shape, indexes, hands, functions, years.
Speedmaster Professional Moonphase 3876.50.31 questions
What size is the Omega Speedmaster Professional Moonphase 3876.50.31?
The Omega Speedmaster Professional Moonphase 3876.50.31 has a 42 mm case.
What movement does the Omega Speedmaster Professional Moonphase 3876.50.31 use?
It uses the Omega calibre 1866.
What is the Omega Speedmaster Professional Moonphase 3876.50.31 case made of?
The case is steel.
Is the Omega Speedmaster Professional Moonphase 3876.50.31 water resistant?
It is rated to 50 m.
About the Omega Speedmaster Moonwatch
Omega introduced the Speedmaster in 1957 as a sports and racing chronograph. The first model, the CK 2915, used the calibre 321 movement and carried its tachymeter scale on the bezel. Wally Schirra wore his own Speedmaster on the Mercury mission of October 1962, and in 1965 NASA qualified the watch for all manned space missions after a series of tests. It was worn on the lunar surface during Apollo 11 in July 1969. The current Moonwatch Professional has a 42mm asymmetrical case, a black step dial, a tachymeter bezel and the manual-winding Co-Axial calibre 3861, certified as a Master Chronometer by METAS.
