Also Current about the dial and fingers is Rolex’s Chromalight lume. This newer in-house materials was initial introduced in 2008 as Rolex’s proprietary luminescent compound and due to the fact its introduction, it's solely changed Super-LumiNova in the manufacturer’s lineup. Christie’s This was largely a ref. 6538 — it nevertheless https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/