Omega De Ville Prestige Co-Axial Watch - 36.8 mm Steel Case - Silver Dial - 424.10.37.20.02.00236. 8 mm steel case, steel bezel, sapphire crystal with anti reflective treatment inside, silver dial with red gold coloured roman numeral hour markers and polished cobachons, caliber 2500 self winding movement with chronometer, co axial escapement with rhodium plated finish, approximately 48 hours of power reserve, steel bracelet. Water resistant to 30 m (100 ft).