The first Rolex replica Daytona did not have the name “Daytona” on the dial and did not appear shortly after the brand became the official timekeeper of the 24 Hours of Daytona in the 1960s. Since then, the iconic chronograph has been forever associated with professional motor racing. The series has always been equipped with a waterproof Oyster case, tachymeter bezel, chronograph functions, and a straight mesh Oyster bracelet, much more resistant to the conditions experienced during endurance racing. Ref. 116520 is an important addition, as it was the first Daytona to work with the Caliber 4130 Perpetual movement, which was completely designed and manufactured in-house. Ref. To fit the stainless steel speedometer frame. The fake watch 116520 is also offered in an all-steel finish, with waitlists for current production models reaching multiple years in most outlets, a much sought after variation in the secondary market.