With the launch of the Explorer II in 1971, Rolex reaffirmed its commitment to crafting robust, reliable timepieces designed for extreme conditions and adventurous pursuits. This wasn't just another watch; it was a significant evolution in the brand's history, building upon the legacy of the original Explorer while forging a new path for professional-grade tool watches. This article delves deep into the history, specifications, and enduring appeal of the Rolex Explorer II, exploring its various iterations and addressing some related queries like the release dates of other Rolex models.
Rolex Explorer II Release Date: A Landmark Year for Exploration
The year 1971 marked a pivotal moment for Rolex and the world of exploration. The Explorer II, reference 1655, emerged as a direct response to the growing needs of spelunkers and other explorers venturing into challenging environments where precise timekeeping and readability were paramount. Unlike its predecessor, the Explorer, which was primarily designed for mountaineering, the Explorer II incorporated a crucial feature: a 24-hour hand. This additional hand, independently adjustable, allowed wearers to differentiate between AM and PM, a critical distinction in environments where sunlight might be limited or absent, such as caves or polar regions. This seemingly simple addition significantly enhanced the watch's functionality and cemented its place as a tool watch for serious adventurers.
The 1655, with its distinctive orange 24-hour hand, quickly became an icon, its rugged design and innovative feature appealing to those who pushed the boundaries of human exploration. The large, luminous hands and indices ensured excellent legibility even in low-light conditions, while the robust Oyster case provided exceptional protection against the elements. This original model, with its gilt dial and acrylic crystal, remains highly sought-after by collectors today, representing a significant milestone in Rolex's horological history.
Rolex Explorer II Specifications: A Masterclass in Durability and Precision
The Rolex Explorer II, throughout its various iterations, has consistently adhered to a set of core specifications that define its character:
* Movement: The early models (1655) housed the calibre 1575, a robust and reliable automatic movement known for its accuracy and longevity. Subsequent references utilized the calibre 3185 and more recently the calibre 3285, both renowned for their precision and power reserve. These movements are meticulously crafted, showcasing Rolex's commitment to in-house manufacturing and unparalleled quality control.
* Case: The Oyster case, a hallmark of Rolex design, provides exceptional water resistance and protection against shocks and impacts. Made from high-grade stainless steel, it is built to withstand the rigors of extreme environments. The case size has varied slightly over the years, but generally remains within a range suitable for both comfort and durability.
* Crystal: The original 1655 featured an acrylic crystal, known for its scratch resistance, although prone to more visible scuffs than later models. Later iterations transitioned to sapphire crystals, offering superior scratch resistance and clarity.
* Dial: The dial has evolved over time, but always prioritizes legibility. Luminous hands and indices, often filled with luminescent material, guarantee easy reading in any light conditions. The characteristic orange 24-hour hand remains a defining feature of the Explorer II.
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