Omega De Ville Tresor Omega Master Co-Axial Watch - 40 mm White Gold Case - Silvery Dial - Black Leather Strap - 432.53.40.21.02.004

40 mm 18K white gold case, transparent back, scratch-resistant sapphire crystal with anti-reflective treatment on both sides, silvery opaline dial with a domed vintage clous de Paris structure, self-winding chronometer Omega 8511 movement with Co-Axial Escapement, date, and resistance to magnetic fields greater than 15,000 gauss, approximately 60 hours of power reserve, black leather strap, 18K white gold buckle. Water resistant to 30 m.