The Rolex Explorer II, a rugged tool watch designed for exploration and adventure, boasts a rich history marked by distinct generations, each identifiable by its unique reference number. While the Explorer II line has evolved over the years, two models stand out as particularly iconic and represent significant shifts in the watch's design and functionality: the reference 1655 and the reference 216570. Understanding these reference numbers is key to appreciating the nuances and evolution of this legendary timepiece. This article will explore these two key references in detail, touching upon other related Explorer models and frequently asked questions.
The Rolex Explorer II Reference 1655: A Pioneer of the Fixed-Bezel Era
Introduced in 1971, the reference 1655 represents the first generation of the Explorer II. This watch was a groundbreaking design, specifically created with explorers and adventurers in mind. Its most distinctive feature is the addition of a prominent, independently adjustable orange 24-hour hand, a crucial element for navigating in low-light conditions or differentiating between AM and PM in challenging environments. This hand, coupled with the fixed bezel marked with 24 hours, allowed for easy tracking of a second time zone, a vital function for those traversing different time zones or working in environments with varying light cycles.
The reference 1655 showcases a robust and utilitarian design philosophy. Its large 39mm case, while not as imposing as some modern sports watches, provided ample space for legibility, and its sturdy construction ensured durability in harsh conditions. The dial, typically featuring a matte black finish, housed luminous hour markers and hands, ensuring readability even in the darkest of environments. The movement, a calibre 1570, was reliable and accurate, reflecting Rolex's commitment to precision. Variations within the 1655 reference exist, with some featuring different dial variations and hand configurations. These subtle differences have made certain 1655 models highly sought after by collectors. The reference number itself, 1655, is etched into the case back and provides a definitive marker for authenticating the watch.
The Rolex Explorer II Reference 216570: A Modern Classic
The reference 216570 represents a significant evolution of the Explorer II, marking a transition into a new era of design and technology. Introduced in 2011, this model maintains the core functionality of its predecessors while incorporating modern advancements in materials and movements. While retaining the iconic orange 24-hour hand, the 216570 features a larger 42mm case, making it more substantial and comfortable on the wrist for a broader range of users.
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