The 116520 also highlighted a completely new situation structure with thicker lugs and a polished bezel. In 2016, Rolex introduced the newest Variation of your Daytona, the reference 116500LN, which encompasses a ceramic bezel in addition to a black dial with white sub-dials. 100M Water resistant: Having a drinking water https://www.watchesworld.com/a-history-of-watch-reference-numbers/