Also Existing within the dial and hands is Rolex’s Chromalight lume. This more recent in-house materials was first introduced in 2008 as Rolex’s proprietary luminescent compound and due to the fact its introduction, it's totally replaced Tremendous-LumiNova in the model’s lineup. Christie’s This was mostly a ref. 6538 — it https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/