The 116520 also featured a fresh situation style with thicker lugs and a refined bezel. In 2016, Rolex introduced the most up-to-date Edition in the Daytona, the reference 116500LN, which includes a ceramic bezel and a black dial with white sub-dials. Fat: Authentic Rolex watches are produced from large-high-quality materials, https://www.watchesworld.com/a-history-of-watch-reference-numbers/