This Rolex Explorer II Ref. 16570 is a highly regarded professional tool watch, celebrated for its robust construction and timeless design. This example features the desirable “Swiss Only” black dial, produced during the short transition period around 1998–1999, making it particularly attractive to collectors. The 40 mm stainless steel case is paired with a fixed 24-hour bezel and the iconic orange GMT hand, designed for tracking a second time zone and distinguishing day from night in extreme environments. Powered by the reliable Rolex automatic caliber 3185, the watch offers precision and durability. It is fitted with a SEL (Solid End Link) Oyster bracelet, ensuring improved stability and comfort on the wrist. Offered as a full set, this Explorer II perfectly blends functionality, heritage, and collectible appeal, making it an outstanding example of Rolex’s legendary adventure watch.