The new Rolex Explorer in steel with an entirely luminescent display for enhanced legibility. The model’s characteristic 6 and 9 numerals are now filled with a luminescent material emitting a long-lasting blue glow, like its hour markers and hands.
This is a 1964 Rolex Explorer advertisement. It shows how watch companies take the idea of exploration, such as the issues of keeping time consistently in adverse conditions. Here the Rolex is capable of surviving the climb to the top of the Matterhorn.
The Rolex Explorer draws on decades of experience on icy mountainsides. Mountaineers and adventurers had a direct impact on the development of Rolex Oyster watches in the quest for ever greater precision, robustness and reliability. S✧s ReMix
1961 Rolex Explorer ref. Both watches are from the same year, however the chocolate dial is a very special one. A flaw in the manufacturing process resulted in the occasional fading of the dial to a shade of brown, described a