Omega Style No: 311.63.44.51.99.001 Omega Speedmaster Moonwatch Co-Axial Chronograph Meteorite Watch - 44.25 mm Grey Ceramic Case - Meteorite Dial - Grey Leather Strap

44.25 mm grey ceramic case, transparent back, bezel with a silicon nitride ring and brushed OMEGA Ceragold™ tachymeter scale, scratch-resistant sapphire crystal anti-reflective treatment on both sides, Meteorite dial is made from a solid piece of ancient, extra-terrestrial stone that has been acid etched to reveal a unique pattern on each watch, tachymeter scale, Caliber Omega 9300 self winding movement with column wheel mechanism and co-axial escapement, chronograph, chronometer, date, approximately 60 hours of power reserve, grey leather strap. Water resistant to 5 bar (50 metres / 167 feet).