The Rolex GMT-Master reference 1675 holds a revered position in horological history. Its rugged design, robust functionality, and association with aviation and exploration have cemented its status as a collector's dream and a testament to Rolex's enduring legacy. This article will delve into the specifics of the Rolex 1675 GMT-Master, focusing particularly on the evolution of its movement and the highly sought-after "hacking" function, while also exploring various aspects of this iconic timepiece, including pricing, variations, and availability.
The Allure of the 1675: A Timeless Design
The Rolex GMT-Master ref. 1675, produced from approximately 1959 to 1980, represents a significant chapter in the GMT-Master lineage. Its distinctive features include a 40mm stainless steel case, the iconic rotating 24-hour bezel (allowing for the tracking of a second time zone), and a range of dial variations that continue to captivate collectors. From the creamy "tropical" dials that have darkened with age to the vibrant "blueberry" dials, the variations in color and patina add to the unique character of each individual piece. The choice of dial, bezel insert color (Pepsi, Coke, or black), and even the hands contribute to the vast spectrum of 1675 variations available on the market today. This broad range of aesthetics is a significant factor contributing to the ongoing demand for the Rolex GMT-Master 1675.
The Movement: Calibre 1565 and the Introduction of Hacking
The heart of the Rolex 1675 beats with either the calibre 1565 or the calibre 1575. Both are highly reliable automatic movements, known for their robustness and accuracy. However, a key distinction exists between these two calibres: the introduction of the "hacking" function. This feature, crucial for precise time setting, allows the seconds hand to stop when the crown is pulled out.
Before circa 1971, the calibre 1565, frequently found in earlier examples of the 1675, lacked this hacking function. Setting the time required careful manipulation to align the seconds hand with a reference time source, a process that could be somewhat cumbersome. This is a significant detail for collectors, as the presence or absence of the hacking function directly impacts the value and desirability of a particular 1675.
The later calibre 1575, incorporated into the 1675 from approximately 1971 onwards, addressed this limitation by integrating the hacking mechanism. This seemingly minor improvement significantly enhanced the user experience and contributes to the ease of setting the time precisely. The availability of a hacking 1675 is a desirable feature for many collectors, driving up prices for these later-production examples.
The Dial: A Window into History
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