The 116520 also highlighted a different situation design and style with thicker lugs and a refined bezel. In 2016, Rolex released the most recent Variation from the Daytona, the reference 116500LN, which incorporates a ceramic bezel plus a black dial with white sub-dials. You can email the location owner to https://www.watchesworld.com/a-history-of-watch-reference-numbers/