The Rolex GMT-Master II reference 16710 holds a special place in the hearts of many watch enthusiasts. Produced from the early 1990s until 2008, this iconic timepiece bridges the gap between the classic GMT-Masters of the past and the modern ceramic bezel iterations. However, within the production run of the 16710 lies a subtle but significant distinction: the movement. While the majority of 16710s were equipped with the caliber 3185, the final years of production saw the introduction of the improved caliber 3186. This upgrade marks a significant point in the 16710's history, making these later models particularly sought after by collectors. This article delves into the details of the Rolex GMT-Master 16710 with the caliber 3186 movement, exploring its features, value, and place within the broader context of Rolex's GMT-Master lineage.
The Transition to Caliber 3186:
The Rolex caliber 3185, a robust and reliable workhorse, powered the majority of the 16710s. However, Rolex's commitment to continuous improvement led to the development of the caliber 3186. This newer movement incorporated several enhancements, notably increased shock resistance and a slightly improved power reserve. While the differences might seem subtle on paper, they represent Rolex's dedication to refining even their most successful movements. The transition to the 3186 isn't clearly demarcated; there's no specific serial number range that definitively separates 3185 and 3186-equipped 16710s. Determining the movement requires a closer examination of the watch itself, or checking the documentation if available. This ambiguity adds to the intrigue and the challenge for collectors seeking a specific model.
Identifying a 3186-Equipped 16710:
Identifying a 16710 with the caliber 3186 requires careful inspection. The easiest method is to open the caseback (ideally by a qualified watchmaker) and examine the movement directly. The engraving on the movement bridge will clearly identify it as a caliber 3186. However, this is an invasive procedure, and should only be undertaken by experienced professionals. Alternatively, consulting a reputable Rolex dealer or watch specialist with access to serial number databases can be helpful in determining the movement. While serial numbers can provide a general timeframe, they don't explicitly state the movement used. Therefore, a combination of serial number analysis and expert knowledge is often necessary for definitive identification.
The Appeal of the 16710 with Caliber 3186:
The 16710 with the caliber 3186 represents the culmination of Rolex's refinement of this iconic model. Collectors appreciate the subtle improvements offered by the 3186, seeing it as a final, improved iteration before the introduction of the ceramic bezel GMT-Master II. The watch retains the classic design elements that made the 16710 so popular – the aluminum bezel, the iconic GMT hand, and the overall robust build – but with the added benefit of a slightly more refined movement. This combination of classic aesthetics and modern enhancements makes the 3186-equipped 16710 a desirable piece for collectors seeking a blend of history and performance.
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