OMEGA Speedmaster Moonwatch Professional

The Omega Speedmaster Moonwatch Professional, reference 310.32.42.50.04.002, has a 42 mm steel case. The case measures 13.18 mm thick and 47.5 mm lug to lug. A domed sapphire crystal with anti-reflective treatment on the inside covers the white dial. Calibre 3861 is a manual-winding movement with a Co-Axial escapement and a 50 hour power reserve. As a chronograph, the watch is certified Master Chronometer and also has small seconds and a tachymeter. The case has a display back. Omega rates the case to 50 metres, or 5 bar. A leather strap is fitted to the watch.