Omega Style No: 131.30.41.21.01.001 Omega Constellation - 41 mm Steel Case - Black Dial - Stainless-Steel Bracelet

41 mm steel case with anti-magnetic protection, polished black ceramic bezel with Roman numerals in Liquidmetal, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, sun-brushed black dial with date at 6 oclock, Omega 8900 self winding chronometer movement, approximately 60 hours of power reserve, stainless-steel bracelet. Water resistant to 50 metres (167 feet).