Omega Style No: 123.10.38.21.51.001 Omega Gents Constellation Chronometer Watch - 38 mm Brushed Steel Case - Black Diamond Dial

38 mm brushed stainless steel case, transparent back, domed scratch-resistant sapphire crystal with anti-reflective treatment both sides, black dial with diamond hour markers, self-winding chronometer Omega 8500 movement with Co-Axial Escapement, date, and seconds, approximately 60 hours of power reserve, stainless steel bracelet. Water resistant to 100 m.