Also Current over the dial and fingers is Rolex’s Chromalight lume. This more recent in-home content was very first released in 2008 as Rolex’s proprietary luminescent compound and because its introduction, it's entirely replaced Super-LumiNova inside the brand name’s lineup. Along with the highly corrosion-resistant 904L stainless-steel (labeled as “Oystersteel” https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/