The Rolex GMT-Master II is more than just a watch; it's a legend. Its iconic status is cemented not only by its striking design and robust construction but also by its rich history, intrinsically linked to the pioneering spirit of aviation and global travel. In 1959, eight men from a British army regiment embarked on a round-the-world expedition, highlighting the need for a timepiece capable of tracking multiple time zones simultaneously. This need directly influenced the creation of the original GMT-Master, a watch that would evolve into the sophisticated and highly sought-after GMT-Master II we know today. This article delves into the specifications of the Rolex GMT-Master II, exploring its various models, movements, materials, and the factors contributing to its high price.
Rolex GMT-Master II Movement:
The heart of any Rolex, and especially a GMT-Master II, is its movement. These watches are powered by meticulously crafted self-winding mechanical movements, renowned for their accuracy, reliability, and longevity. The specific caliber varies depending on the year of manufacture and specific model, but generally, the GMT-Master II utilizes movements from the 3186 family (older models) and the more recent and improved 3285 family.
* Caliber 3186: This movement, found in earlier GMT-Master II models, is a highly dependable automatic movement with a 50-hour power reserve. It features a bidirectional self-winding rotor, ensuring consistent winding even with minimal wrist movement. Its robust construction and precise regulation contribute to the watch's accuracy and long-term performance.
* Caliber 3285: Introduced more recently, the Caliber 3285 represents a significant advancement in Rolex's watchmaking technology. This movement boasts an impressive 70-hour power reserve, a considerable improvement over its predecessor. Beyond the increased power reserve, the 3285 incorporates Chronergy escapement, a silicon escape wheel, and a Paramagnetic blue Parachrom hairspring. These innovations enhance the movement's resistance to shocks and magnetic fields, contributing to superior accuracy and reliability. The improved efficiency also contributes to the longer power reserve.
Rolex GMT-Master II Size:
The Rolex GMT-Master II is generally available in a 40mm case diameter, a size that strikes a balance between wearability and presence. This size makes it suitable for a wide range of wrist sizes and occasions, from casual wear to formal events. While Rolex has experimented with slightly larger sizes in some limited editions, the 40mm remains the standard and most sought-after dimension. The case thickness varies slightly depending on the model and year of production, but it generally remains within a comfortable range for everyday wear. The lug-to-lug measurement, however, is a crucial factor in determining overall comfort and fit, and this dimension should be considered when selecting a GMT-Master II.
Rolex GMT-Master II Bezel:
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