OMEGA Speedmaster Moonwatch Professional

Omega Speedmaster Moonwatch Professional reference 310.23.42.50.02.001 is a 42 mm chronograph in steel and gold. The case is 13.18 mm thick and measures 47.5 mm lug to lug. Calibre 3861 is a manual-winding movement with a Co-Axial escapement and a 50 hour power reserve. The movement is certified as a Master Chronometer. A sapphire crystal with anti-reflective treatment on the inside covers the silver dial. The watch has a display back, and small seconds and a tachymeter are listed among its functions. The watch is fitted with an alligator leather strap. Omega rates the case to 50 metres.