About the Rolex Explorer II 216570
The Rolex Explorer II has its roots in the early 1970s when Rolex designed it for cavers and polar explorers who needed to distinguish day from night during extended underground or arctic expeditions, and the 24-hour hand and bezel remain its defining functional signature. The reference 216570 is the third generation of the modern Explorer II, built on the Oyster case in Oystersteel and powered by a Rolex in-house automatic movement with a bidirectional rotor, offering the precision and reliability Rolex is universally known for. The 42 mm case size positions it as one of the larger Rolex sport references, giving it a commanding wrist presence while remaining true to the clean, utilitarian aesthetic that defines the Explorer family. Both dial options, the crisp white known among collectors as the Polar and the deep black, feature large luminous hour markers and a prominent date display at three o'clock.
What to Look For
When shopping for a Rolex Explorer II 216570 for sale, pay close attention to the dial variant and condition grade, as white dial examples are often nicknamed Polar and command strong collector interest alongside the classic black dial versions. Reference suffixes seen across the 216570 lineup, such as WHT, WHT1, WHT3, BLK, BLK1, and B3, typically reflect inventory or condition grading distinctions used by dealers rather than factory sub-references, so confirming the physical dial color, bracelet integrity, and box-and-papers status is the most reliable way to assess value. Service history, presence of original Oyster bracelet with its Oysterlock clasp, and undial condition are the primary drivers of pricing across all 216570 examples.
Frequently Asked Questions
What is the case size of the Rolex Explorer II 216570?
The Rolex Explorer II reference 216570 features a 42 mm stainless steel Oyster case, making it noticeably larger than its predecessor the ref. 16570 which measured 40 mm. This additional size contributes to its bold wrist presence and improved dial legibility.
What is the difference between the white dial and black dial Rolex Explorer II 216570?
Both the white dial and black dial versions of the 216570 share identical case dimensions, movements, and bezels, differing only in their dial color and aesthetic character. The white dial, often called the Polar by collectors, tends to attract enthusiasts who favor a more distinctive look, while the black dial is considered the more classic Explorer II configuration.
Does the Rolex Explorer II 216570 come with a GMT function?
The Explorer II 216570 features a fixed 24-hour graduated bezel and a dedicated orange 24-hour hand, which together allow the wearer to distinguish AM from PM or track a second time zone, functioning similarly to a GMT complication. This feature was originally designed for polar explorers experiencing continuous daylight or darkness and remains one of the reference's most recognizable and practical attributes.
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