Omega Style No: 310.55.42.50.13.001 Omega Speedmaster Moonwatch Professional - 42 mm Sedna Gold Case - Diamond Bezel - Brown Step Diamond Dial - Five-Arched-Links-Per-Row Bracelet

42 mm sedna gold case with anti-magnetic protection, diamond-paved bezel, scratch-resistant sapphire crystal with anti-reflective treatment inside, brown step dial withn asymmetrical case with diamond-paved bezel, Omega 3861 manual-winding chronometer movement, approximately 50 hours of power reserve, five-arched-links-per-row bracelet. Water resistant to 50 metres (167 feet).