Omega Constellation Omega Co-Axial Master Chronometer - 29 mm Steel And Yellow Gold Case - Blue Glass Diamond Dial - 131.20.29.20.53.001 IW510116 With a case size of

With a case size of 40 mm

The sapphire glass crystal ensures durability and crystal-clear visibility

calibre 507 DR1 manual winding movement

embodying the hallmark of Vacheron Constantin's commitment to exceptional craftsmanship

caliber 9457 MC manual flying tourbillon movement

Omega Constellation Omega Co-Axial Master Chronometer - 29 mm Steel And Yellow Gold Case - Blue Glass Diamond Dial - 131.20.29.20.53.001 IW510116 With a case size of29 mm steel and yellow gold case with anti magnetic protection, transparent back, bezel with engraved Roman numerals, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, blue aventurine glass dial with diamond hour markers with date at 6 oclock, Calibre Omega 8700 self winding co axial master chronometer movement with date, approximately 50 hours of power reserve, steel and yellow gold bracelet. Water resistant to 50