Omega Speedmaster Moonwatch Professional Chronograph Calibre 321 - 42 mm Platinum Case - Black Dial - Black Leather Strap - 311.93.42.30.99.001

42 mm platinum case, transparent back, black ceramic bezel, scratch-resistant sapphire crystal with anti-reflective treatment on both sides, black dial in black onyx, Calibre Omega 321 manual-winding movement with chronograph and small seconds, approximately 55 hours of power reserve, black leather strap. Water resistant to 50 metres (167 feet).