Also Current on the dial and arms is Rolex’s Chromalight lume. This more recent in-dwelling materials was initial introduced in 2008 as Rolex’s proprietary luminescent compound and considering the fact that its introduction, it's fully changed Tremendous-LumiNova in the brand’s lineup. “Swiss Made” around the dial of your watch - https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/