With its brilliant white 'polar' dial and bezel engraved with increments up to 24, the Rolex Explorer II ref. 216570, in its 42mm case, is an up-to-date version of a classic. With its orange hour hand and Chromalight hour markers it has great legibility, and its Chronometer certified in-house 3187 automatic calibre, offers greater shock resistance and approximately 48hr power reserve. It comes complete with its Rolex box, tags, instructions and guarantee card.