Omega Constellation OMEGA Co-Axial Master Chronometer - 39 mm Steel And Yellow Gold Case - Silvery Dial - 131.20.39.20.02.002 collection has a new case with

has a new case with refined lugs and a new H-shaped bracelet

it's a testament to Vacheron Constantin's dedication to horological excellence

Breguet open-tipped hands in blued steel

ensuring accurate timekeeping with a 34-hour power reserve

131/2 self-winding chronograph movement with flyback function

Omega Constellation OMEGA Co-Axial Master Chronometer - 39 mm Steel And Yellow Gold Case - Silvery Dial - 131.20.39.20.02.002 collection has a new case with39 mm steel and 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 8800 self winding co axial master chronometer movement with date, approximately 55 hours of power reserve, steel and yellow gold bracelet. Water resistant to 50 metres (167 feet).