Omega De Ville Tresor Master Co-Axial Watch - 40 mm Yellow Gold Case - Diamond-Set Bezel - Domed Mother-Of-Pearl Dial - Red Leather Strap - 432.58.40.21.05.004

40 mm 18K yellow gold case, transparent back, diamond-set bezel, scratch-resistant sapphire crystal anti-reflective treatment on both sides, domed white mother-of-pearl dial with polished 18K gold hands and a date window at 6 o'clock, Caliber Omega 8511 manual-winding movement with co-axial escapement, chronometer, date, approximately 60 hours of power reserve, red leather strap. Water resistant to 3 bar (30 metres / 100 feet).