This is a rare Rolex Explorer II reference 16570 circa 2010. This reference is one of the last 40mm Rolex Explorer II's made which has the scrambled serial number inside the engraved bezel. This rare watch also has the upgraded caliber 3186 automatic movement. The condition of this watch is exceptional. The original shiny black dial is pristine with all original hands. The case is nice and sharp as well. This rare beauty has its original Rolex hang tag with reference and serial numbers.