Omega Constellation OMEGA Co-Axial Master Chronometer - 39 mm Yellow Gold Case - Silvery Dial - 131.50.39.20.02.002 Steel including the iconic Calibre 5

including the iconic Calibre 5 and Calibre 16

5 mm thick

without compromising on style

convex sapphire glass crystal with antireflective coating on both sides

elegant and sophisticated

Omega Constellation OMEGA Co-Axial Master Chronometer - 39 mm Yellow Gold Case - Silvery Dial - 131.50.39.20.02.002 Steel including the iconic Calibre 539 mm yellow gold case with anti magnetic protection, transparent back, bezel engraved with Roman numerals, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, opaline white silvery dial with date at 6 oclock, Calibre Omega 8801 self winding co axial master chronometer movement with date, approximately 55 hours of power reserve, yellow gold bracelet. Water resistant to 50 metres (167 feet).