Also Existing on the dial and hands is Rolex’s Chromalight lume. This more recent in-home product was 1st released in 2008 as Rolex’s proprietary luminescent compound and given that its introduction, it's solely changed Super-LumiNova throughout the brand name’s lineup. However it seems to be the variable at this time https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/