The Rolex Explorer II, a watch synonymous with exploration and adventure, boasts a rich history intertwined with the spirit of pushing boundaries. More than just a timekeeping instrument, it’s a testament to Rolex’s commitment to precision, durability, and innovation, consistently evolving while retaining its core identity. This article delves into the fascinating story of the Explorer II, exploring its different iterations, key features, and its enduring appeal to collectors and adventurers alike.
The Genesis of a Legend: Early Models and the 1655
While the original Rolex Explorer, released in 1953, was designed for mountaineering expeditions, its single-time zone functionality proved limiting for explorers venturing into more challenging and remote environments. This spurred the development of the Explorer II, a watch equipped to handle the demands of multi-day expeditions, where tracking both local and home time was crucial.
The first generation Explorer II, reference 1655, debuted in 1971. This groundbreaking model introduced the iconic 24-hour hand, a feature that quickly became a defining characteristic of the Explorer II lineage. This hand, independently adjustable, allowed for easy differentiation between day and night, a vital function in environments with limited or no sunlight. The 1655 housed the calibre 1570 movement, a robust and reliable automatic movement that set the stage for future iterations. Its distinctive orange 24-hour hand, often referred to as the “orange hand,” became a highly sought-after feature among collectors, solidifying its place in horological history. The 1655 also featured a fixed bezel with a graduated 24-hour scale, further enhancing its functionality for expedition use. The case size, typically 39mm, was considered relatively large for its time, providing ample legibility even in challenging conditions.
Evolution and Refinement: The 16570 and the Transition to 40mm
The next significant chapter in the Explorer II's story began with the introduction of the reference 16570 in 1989. This model marked a subtle yet important shift. While retaining the core functionality of its predecessor, the 16570 introduced a slightly larger 40mm case, providing improved wearability and enhancing the overall presence of the watch. The calibre 3185, a significant upgrade from the 1570, powered this generation, offering enhanced precision and reliability. The 16570 also saw the introduction of the “Polar” dial variant, with its striking white dial and black numerals and markers, quickly becoming a collector favorite. This iteration further cemented the Explorer II's status as a versatile and capable tool watch, suitable for both professional use and everyday wear. The 16570 is considered by many to be the most iconic Explorer II model, representing a perfect blend of classic design and modern functionality. Collectors often seek out specific serial numbers within the 16570 range, with certain series (like the "Z" series, detailed below) commanding premium prices.
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