Rolex Explorer II 1655 MK2 Frog Foot Dial AlbinoThe Rolex Explorer II reference 1655 occupies a unique and revered place in the world of vintage Rolex collecting. Introduced in 1971, it was purpose built for professional explorersspecifically spelunkersfeaturing a fixed 24 hour bezel and a striking, highly legible dial designed to distinguish day from night deep underground. While many of Rolexs sport models quickly evolved into status symbols, the 1655 remained quietly utilitarian for much of its