The year is 1991. The Berlin Wall has fallen, the internet is in its infancy, and a watchmaking legend quietly enters the market: the Rolex Explorer II reference 16570. This particular model, often referred to as the "pre-production" or "early production" version, holds a special place in the hearts of collectors and enthusiasts, representing a pivotal point in the evolution of this iconic tool watch. While a 1991 example, as advertised on platforms like Chrono24 for approximately $7,000 (excluding shipping) in the US market, might seem pricey at first glance, understanding its history, features, and enduring appeal illuminates its value. This article will delve into the specifics of the 1991 Rolex Explorer II 16570, comparing it to other models within the Explorer II family, and exploring its position within the broader vintage Rolex market.
The 1991 Rolex Explorer II 16570, unlike its predecessors, marked a significant shift in case size. While earlier Explorer II models sported larger cases, the 16570 introduced a more refined 40mm case, a size that has since become a mainstay in the modern Rolex lineup. This shift towards a more wearable size, without compromising functionality, solidified the Explorer II's appeal to a wider audience. The 40mm size provides a comfortable fit for a variety of wrist sizes, balancing robustness with everyday wearability. This contrasts with the more imposing sizes found in some vintage models and sets the stage for the more recent 42mm Rolex Explorer II Polar.
The designation "Polar" often accompanies discussions of the Explorer II, particularly within the context of the 42mm models and even some 40mm versions. The term references the distinctive white dial with black markings, offering exceptional legibility in low-light conditions. While the 1991 16570 didn't come in a specific "Polar" configuration, it often shares the same design philosophy, focusing on clear, high-contrast readability critical for the watch's intended purpose: aiding exploration in challenging environments. The sharp contrast of the dial markers and hands against the dark dial or, less commonly, a lighter-colored dial, makes for a highly legible timepiece. This feature is a defining characteristic of the Explorer II line, carrying through to the current 42mm Rolex Explorer II Polar models and setting it apart from the smaller 39mm models or other Rolex sport watches.
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