Reference131.50.39.20.02.001BrandOmegaCollectionConstellationDial Size39 MMDial ShapeRoundCase MaterialSednaa??? GoldDiamondsWithout DiamondsStrap BraceletSednaa??? Gold Link BraceletGenderMenMovementAutomaticGlassDomed scratcha??resistant sapphire crystal with antia??reflective treatment on both sidesWater Resistance5 BarBrand Warranty5 YearsDESCRIPTIONThe dramatic and enduring design of the OMEGA Constellation is characterised by its famous half-moons, a??clawsa?? on the case and mono-rang bracelet.This 39 mm 18K Sednaa??? gold model features a bezel engraved with Roman numerals, an opaline creamy silvery dial and a date window at the 6 o'clock position. The hands, OMEGA logo, Constellation star and indexes are all in 18K Sednaa??? gold.At the heart of this timepiece is the OMEGA Co-Axial Master Chronometer Calibre 8801, visible through the domed scratch-resistant sapphire crystal.