Omega Style No: 331.22.42.51.01.001 Omega Speedmaster '57 Omega Co-Axial Chronograph Watch - 41.5 mm Steel Case - Brushed Red Gold Bezel - Black Dial - Brown Leather Strap

41.5 mm stainless steel case, transparent back, 18K red gold crown with and push pieces, brushed 18K red gold bezel with with tachymeter scale, scratch-resistant sapphire crystal with anti-reflective treatment on both sides, black dial, self-winding chronometer Omega 9300 movement with Co-Axial Escapement, chronograph, date, and small seconds, approximately 60 hours of power reserve, brown leather strap. Water resistant to 100 m.