Omega Constellation OMEGA Co-Axial Master Chronometer - 39 mm Yellow Gold Case - Champagne Dial - 131.50.39.20.08.001

39 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, sun-brushed champagne 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).