Also Existing over the dial and palms is Rolex’s Chromalight lume. This newer in-house substance was initial introduced in 2008 as Rolex’s proprietary luminescent compound and considering the fact that its introduction, it's got totally changed Super-LumiNova throughout the manufacturer’s lineup. “Swiss Produced” about the dial of your watch - https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/