Also Current to the dial and hands is Rolex’s Chromalight lume. This more recent in-house product was to start with released in 2008 as Rolex’s proprietary luminescent compound and because its introduction, it's fully changed Super-LumiNova within the model’s lineup. Along with the really corrosion-resistant 904L stainless-steel (labeled as “Oystersteel” https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/