Omega Style No: 311.92.44.51.01.003 Omega Speedmaster Moonwatch Co-Axial Chronograph Dark Side of the Moon Watch - 44.25 mm Black Ceramic Case - Black Zirconium Oxide Ceramic Dial - Black Coated Nylon Fabric Strap

44.25 mm black ceramic case, transparent back, black bezel with with matt chromium nitride tachymeter scale, scratch-resistant sapphire crystal with anti-reflective treatment on both sides, black zirconium oxide ceramic dial, self-winding chronometer Omega 9300 movement with Co-Axial Escapement, chronograph, date, and small seconds, approximately 60 hours of power reserve, black coated nylon fabric strap with red stitching. Water resistant to 100 m.