This is an authentic ROLEX 18K Yellow Gold 40mm Oyster Perpetual Daytona Cosmograph Watch. Originally designed for professional race car drivers, this cosmograph wristwatch for men features an 18k gold case, chronograph and bezel with tachymetric scale, set against a gold face. This state-of-the-art watch features perpetual, self-winding movement and precision to within 1/8 of a second. Experience true luxury with this masterpiece, from Rolex! Follow this item for alerts. Rolex is a registered trademark of Rolex. FASHIONPHILE is not affiliated with Rolex.