Omega De Ville Prestige Co-Axial Watch - 32.7 mm Steel Case - Red Gold Bezel - Mother-Of-Pearl Dial - Red Gold-Steel Bracelet - 424.20.33.20.55.00132. 7 mm stainless steel case, sapphire back, 18K red gold bezel, domed scratch resistant sapphire crystal with anti reflective treatment inside, white mother of pearl dial with a unique polished butterfly pattern enhanced by a transferred outline against a matt background, caliber 2500 self winding movement with chronometer and a date window at 6 o'clock, approximately 48 hours of power reserve, red gold steel bracelet with two tone. Water resistant