With it’s slim case and patina dial, the Rolex GMT-Master reference 1675 is a legendary timepiece that has been sought after by watch enthusiasts and collectors for decades. This watch has a rich history that spans over six decades, making it one of the most iconic and recognizable watches ever produced. In this article, we’ll dive into the history of the GMT-Master 1675 and explore its evolution from its introduction in the 1950s to its discontinuation in the late 1970s.

Humble Beginnings

The GMT-Master 1675 was introduced in 1959 as a replacement for the original GMT-Master, which was introduced in 1954. The original GMT-Master was designed as a tool watch for pilots, allowing them to track two time zones simultaneously. The GMT-Master 1675 incorporated several improvements over the original model, including a slimmer case, a modified bezel, and a new movement.

A Slimmer, More Refined Case

One of the most notable changes in the GMT-Master 1675 was its slimmer case. The case of the 1675 was approximately 1mm thinner than the original GMT-Master, giving the watch a more streamlined and elegant appearance. The bezel of the 1675 was also changed, with the 1675 featuring a wider font and a new design that made it easier to read. The bezel of the GMT-Master 1675 was available in two colors: black, and blue and red, with the latter being used to indicate daytime hours (red) and the former (blue) being used to indicate nighttime hours.

An Upgraded Movement

Another significant change in the GMT-Master 1675 was the movement. The 1675 was equipped with the Caliber 1575, which was an upgraded version of the Caliber 1565 used in the original GMT-Master. The Caliber 1575 was more accurate and reliable than the Caliber 1565, and it featured a faster balance frequency, which improved the timekeeping accuracy of the watch.

The GMT-Master 1675 was produced for over two decades, and during this time, it underwent several minor changes and refinements. One of the most notable changes was the introduction of a new dial design in the late 1960s. The new dial featured larger hour markers and hands, making the watch easier to read in low-light conditions. Another change was the introduction of a new caseback, which was screw-down rather than snap-back. This change improved the water resistance of the watch and made it more suitable for use in water sports.

A Stepping Stone To More Advanced References

In the late 1970s, the GMT-Master 1675 was replaced by the GMT-Master 16750. The 16750 was equipped with a new movement, the Caliber 3075, which was a significant improvement over the Caliber 1575 used in the 1675. The Caliber 3075 was a chronometer-rated movement that was more accurate and reliable than the Caliber 1575. The GMT-Master 16750 also featured a number of other improvements over the 1675, including a quickset date function and a scratch-resistant sapphire crystal.

Despite its discontinuation, the GMT-Master 1675 remains one of the most sought after and collectible watches in the world. The 1675 has a unique design that is instantly recognizable and has a timeless quality that makes it just as relevant today as it was over six decades ago. The 1675 is also a highly functional watch, with its GMT function making it ideal for travel along with a beautiful patina that has taken over the dials and hands of these existing references.

The GMT-Master 1675 is a true classic, and it is widely regarded as one of the greatest watches ever produced. The 1675 has been the subject of numerous books, articles, and documentaries, and it has been featured in numerous films and TV shows. The GMT-Master 1675 is a true icon, and it is a testament to the timeless design and quality of Rolex watches.

Rolex Ref. 1675 Specs

• Movement: Automatic 1575
• Crystal: Acrylic
• Lug-To-Lug Length: 47.5mm
• Lug Width: 20mm
• Release Year: 1959
• Case Diameter: 40mm
• Thickness: 12mm