The Rolex Explorer II, a watch synonymous with exploration and adventure, has seen several iterations throughout its history. While the reference 1655 and 16570 are often celebrated for their iconic designs and robust build, the introduction of the 216570 marked a significant technological leap forward, primarily due to the incorporation of the Caliber 3187 movement. This article will delve into the intricacies of the Rolex Explorer II 216570, focusing specifically on the Caliber 3187 and its impact on the overall performance and longevity of this celebrated tool watch. We'll compare it to its predecessor, the Caliber 3186, and explore why the 3187 represents a significant advancement in Rolex's horological prowess.
Rolex Explorer II 216570 Review: A Comprehensive Analysis
The Rolex Explorer II 216570, released in 2011, represents a refined evolution of the Explorer II lineage. Maintaining the robust build and highly legible dial characteristic of its predecessors, the 216570 introduced subtle yet impactful changes, most notably the aforementioned Caliber 3187. This movement, coupled with a redesigned case and bracelet, solidified the 216570's position as a formidable tool watch capable of withstanding the rigors of even the most demanding environments.
The watch's design retains the key features that define an Explorer II: the fixed 24-hour bezel, crucial for differentiating day from night in challenging conditions, and the highly luminous hands and hour markers, ensuring readability in low-light situations. The 42mm Oyster case, crafted from Oystersteel, provides exceptional durability and water resistance to 100 meters. The Oyster bracelet, with its robust construction and comfortable fit, complements the overall rugged aesthetic.
However, the true innovation lies within the Caliber 3187. This movement represents a significant advancement in Rolex's in-house manufacturing capabilities, demonstrating their commitment to precision, reliability, and longevity. It's not merely a minor upgrade; it's a testament to Rolex's continuous pursuit of horological excellence.
What is the difference between the 3186 and 3187 movements?
While both the 3186 and 3187 movements are self-winding, chronometer-certified mechanical movements with a power reserve of approximately 48 hours, the differences lie in subtle yet significant details:
* Paramagnetic Escape Wheel: The most significant difference lies in the inclusion of a paramagnetic escape wheel in the Caliber 3187. This is a crucial improvement for anti-magnetism, significantly reducing the impact of magnetic fields on the watch's timekeeping accuracy. The 3186, while robust, lacked this crucial feature. In a world increasingly saturated with electronic devices and magnetic fields, the 3187's superior anti-magnetic properties offer a significant advantage, ensuring greater accuracy and reliability in diverse environments.
* Improved Shock Resistance: While both movements are incredibly robust, the 3187 benefits from further refinements in its design, leading to improved shock resistance. This contributes to the overall durability and longevity of the watch, making it even more resilient to the impacts and stresses it might encounter during adventurous activities.
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