Omega Constellation Omega Co-Axial Master Chronometer - 29 mm Steel Case - Blue Glass Diamond Dial - 131.10.29.20.53.001 jazzmaster silver diamond sapphire 6 and

silver diamond sapphire 6 and 9 dial

yellow gold screw-down crown

Brand- Hamilton

white gold III VI IX Roman numerals

Roman numeral

Omega Constellation Omega Co-Axial Master Chronometer - 29 mm Steel Case - Blue Glass Diamond Dial - 131.10.29.20.53.001 jazzmaster silver diamond sapphire 6 and29 mm steel 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 bracelet. Water resistant to 50 metres (167 feet).