The 116520 also featured a completely new case style with thicker lugs and a sophisticated bezel. In 2016, Rolex introduced the latest Variation on the Daytona, the reference 116500LN, which incorporates a ceramic bezel plus a black dial with white sub-dials. 100M Watertight: That has a water resistance of as https://www.watchesworld.com/a-history-of-watch-reference-numbers/