Also Existing on the dial and arms is Rolex’s Chromalight lume. This more recent in-dwelling substance was initially launched in 2008 as Rolex’s proprietary luminescent compound and considering that its introduction, it has entirely replaced Super-LumiNova within the model’s lineup. Christie’s This was mostly a ref. 6538 — it nevertheless https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/