Rolex Cosmograph Daytona 6263 Big Red Floating Silver Soleil DialThe Rolex Daytona 6263 stands in a league of its own. Introduced alongside its sister reference, the 6265, it represents the final and most developed chapter of Rolexs manual wind chronograph era. With its screw down pushers, Oyster case construction and black bakelite bezel, the 6263 brought both a stronger sportier look and improved water resistance over the earlier pump pusher models key traits that helped define the legendary Daytona formula