The Rolex Explorer II, a watch synonymous with exploration and adventure, has undergone a subtle yet significant transformation. While the visual differences between the outgoing reference 216570 (released in 2011) and the new reference 226570 (released in 2021) might appear minimal at first glance, a closer examination reveals at least fifteen key distinctions. This article delves into a comprehensive comparison, highlighting these differences across various aspects of the watch, from its case and movement to its bezel and overall aesthetic. We'll explore the nuances that separate these two iconic timepieces, providing a detailed understanding for prospective buyers considering either the pre-owned 216570 or the brand-new 226570.
Case and Dimensions:
While both models boast a 42mm case, a seemingly insignificant detail hides a crucial difference in their construction. The 226570 features a slightly redesigned case, resulting in subtle changes in its overall profile. While the exact measurements might remain similar on paper, the feel on the wrist is noticeably different. The 216570, with its slightly more angular lugs, might feel a touch more pronounced, whereas the 226570 offers a more integrated and refined feel. This is a subjective difference, of course, but one that experienced watch enthusiasts can readily discern. The lug-to-lug distance, though not drastically changed, also contributes to this altered wearing experience.
Furthermore, the crown guards on the 226570 have undergone a subtle yet important refinement. They appear slightly more sculpted and integrated into the case, lending a cleaner, more modern aesthetic. The 216570's crown guards, while functional, appear slightly more pronounced and less seamlessly integrated. These seemingly minor details contribute to the overall improved ergonomics and refined look of the newer model.
Movement: A Leap Forward in Technology
The most significant difference between the two models lies within their movements. The 216570 houses the Caliber 3187, a robust and reliable movement known for its precision and power reserve. However, the 226570 takes a considerable leap forward with the introduction of the Caliber 3285, a movement belonging to Rolex's new generation of in-house calibers. This signifies a substantial upgrade in terms of performance and longevity.
The Caliber 3285 boasts several improvements over its predecessor, including:
* Chronergy escapement: This silicon-based escapement is significantly more resistant to shocks and magnetic fields, enhancing the movement's reliability and precision.
* Optimized power reserve: The 3285 offers an extended power reserve of approximately 70 hours compared to the 3187's 48 hours. This is a significant advantage for those who might remove the watch for extended periods.
* Paramagnetic blue Parachrom hairspring: This hairspring is also highly resistant to magnetic fields and temperature variations, further enhancing the movement's accuracy and stability.
* Improved efficiency: The 3285 is designed for greater energy efficiency, maximizing the power reserve and extending the lifespan of the watch.
These advancements in the 226570's movement translate to a superior timekeeping performance and enhanced longevity. For a watch intended for rugged use, these improvements are particularly significant.
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