Omega De Ville Prestige Co-Axial Watch - 39.5 mm Steel Case - Rhodium-Silvery Dial - Blue Leather Strap - 424.13.40.20.02.00339. 5 mm stainless steel case, scratch resistant sapphire crystal anti reflective treatment inside, vertically deep brushed rhodium silvery dial with polished Roman numeral hour markers and cabochons, Caliber Omega 2500 self winding movement with rhodium plated finish, chronometer, date, approximately 48 hours of power reserve, blue leather strap. Water resistant to 3 bar (30 metres 100 feet).