The 116520 also showcased a whole new case structure with thicker lugs and a sophisticated bezel. In 2016, Rolex released the latest Model from the Daytona, the reference 116500LN, which incorporates a ceramic bezel along with a black dial with white sub-dials. Within, you’ll find the trademarked Citizen eco-travel movement. https://www.watchesworld.com/a-history-of-watch-reference-numbers/