The 116520 also featured a completely new case structure with thicker lugs and a cultured bezel. In 2016, Rolex released the latest Edition with the Daytona, the reference 116500LN, which encompasses a ceramic bezel as well as a black dial with white sub-dials. Shinola began as a shoe polish manufacturer, https://www.watchesworld.com/a-history-of-watch-reference-numbers/