Rolex Explorer II 40mm Steel

The Rolex Explorer II Ref. 16570 represents iconic expedition heritage through its distinguished 40mm stainless steel construction with classic white polar dial configuration. This exceptional timepiece embodies Rolex's commitment to professional tool watch excellence featuring the celebrated Explorer II design that has served cave explorers, polar scientists, and adventurers since 1971. The 40mm Oystersteel case delivers perfect proportions for the modern adventurer while the white polar dial creates exceptional legibility in extreme conditions with high-contrast black hands and markers. This reference from the celebrated five-digit era demonstrates Rolex's mastery of creating purpose-built watches with proven mechanical reliability representing collectible vintage sophistication with the iconic 24-hour bezel and fixed orange GMT hand.

The reliable Calibre 3186 automatic movement powers this professional timepiece with approximately 48 hours power reserve operating at 28,800 vibrations per hour through 31 jewels. The COSC-certified Superlative Chronometer movement incorporates Rolex's patented Parachrom blue hairspring manufactured from paramagnetic alloy providing superior shock resistance and antimagnetic properties up to ten times greater than traditional hairsprings, alongside the instantaneous jumping local hour hand allowing independent adjustment while maintaining accurate home time. The movement features Rolex's innovative Paraflex shock absorbers enhancing resistance to impacts by up to 50% ensuring dependable performance in extreme expedition environments from polar regions to underground cave systems.

The white polar dial creates exceptional legibility featuring applied luminous hour markers providing excellent visibility in darkness while the distinctive orange 24-hour GMT hand allows tracking of a second time zone or distinguishing day from night in regions of constant daylight or darkness. The fixed steel bezel with engraved 24-hour graduations enables simultaneous reading of three time zones through combination with the GMT hand. The Oyster bracelet features satin-brushed surfaces with polished center links secured through the Oysterlock safety clasp with Easylink comfort extension allowing 5mm adjustment. This preowned example arrives with documentation. Buy this preowned Explorer II 40mm Steel on Master Luxury at competitive price.