OMEGA Constellation Co-Axial Master Chronometer 41mm Mens Watch 131.23.41.21.06.002The dramatic and enduring design of the OMEGA Constellation is characterised by its famous half-moon facets and “claws” on the case.This 41 mm model, in stainless steel and 18K Yellow gold, features a brown polished ceramic bezel ring with Roman numerals filled with OMEGA Ceragold™. It has rhodium-grey dial with silk-embossed finish and a date window at the 6 o'clock position. The hands, OMEGA logo, Constellation star and indexes are also in 18K Yellow gold.Replacing the famous mono-rang bracelet is a brown leather strap with rubber lining.At the heart of this timepiece is the OMEGA Co-Axial Master Chronometer Calibre 8900, visible through the scratch-resistant sapphire crystal.