Omega Style No: 310.30.42.50.04.001 Omega Speedmaster Moonwatch Professional - 42 mm Steel Case - White Lacquered Step Dial - Polished-Brushed Bracelet

42 mm steel case with anti-magnetic protection, black anodised aluminium bezel ring, scratch-resistant sapphire crystal with anti-reflective treatment inside, white lacquered step dial with applied OMEGA logo and indexes, Omega 3861 manual-winding chronometer movement, approximately 50 hours of power reserve, polished-brushed bracelet. Water resistant to 50 metres (167 feet).