Omega De Ville Tresor Omega Co-Axial Master Chronometer - 40 mm Yellow Gold Case - Ivory Enamel Dial - Brown Leather Strap - 435.53.40.21.09.001 Diamond-Set scratch-resistant sapphire crystal with cyclops

scratch-resistant sapphire crystal with cyclops lens over the date and double anti-reflective coating

caliber 8500 self-winding Co-Axial master chronometer movement with date function

fixed 18K yellow gold bezel with engraved tachymetric scale

yellow gold bracelet

Omega De Ville Tresor Omega Co-Axial Master Chronometer - 40 mm Yellow Gold Case - Ivory Enamel Dial - Brown Leather Strap - 435.53.40.21.09.001 Diamond-Set scratch-resistant sapphire crystal with cyclops40 mm yellow gold case with anti magnetic protection, transparent back, scratch resistant sapphire crystal with anti reflective treatment on both sides, domed ivory enamel dial has been achieved with a Grand Feu technique and with enamel prints, Calibre Omega 8929 manual winding co axial master chronometer movement, approximately 72 hours of power reserve, brown leather strap. Water resistant to 30 metres (100 feet).