Omega De Ville Tresor Omega Co-Axial Master Chronometer - 40 mm Steel Case - Diamond Bezel - Opaline Silvery Dial - Black Leather Strap - 435.18.40.21.02.001 Islands unidirectional rotating black ceramic bezel

unidirectional rotating black ceramic bezel with diving scale filled with Super-LumiNova and numerals in colored lacquer representing the colors of the Olympic rings

grey fabric strap

caliber 2500 self-winding movement with chronometer and a date window at 6 o'clock

Water resistant to 100 metres (330 feet)

Omega De Ville Tresor Omega Co-Axial Master Chronometer - 40 mm Steel Case - Diamond Bezel - Opaline Silvery Dial - Black Leather Strap - 435.18.40.21.02.001 Islands unidirectional rotating black ceramic bezel40 mm steel case with anti magnetic protection, transparent back, diamond paved bezel, scratch resistant sapphire crystal with anti reflective treatment on both sides, domed opaline silvery dial with a date window at 6 oclock as well as hands and indexes in 18K white gold, Calibre Omega 8910 manual winding co axial master chronometer movement with date, approximately 72 hours of power reserve, black leather strap. Water resistant to 30 metres (100