Rolex GMT-Master 1675 MK4 Pepsi Jubilee Vintage 1978 (Serviced)

Rolex GMT-Master 1675, steel, 40mm, black dial with Pepsi bezel, cal. 1570, jubilee bracelet, circa 1978

Rolex GMT-Master

Rolex has been making watches since the early 1900s and is one of the most recognized names in the industry. The brand built its reputation on producing reliable, durable tool watches, and that identity still holds up today. Rolex watches are well-documented, widely serviced, and hold their value better than almost anything else in the market. They are not exotic or avant-garde, but they are consistent and well-made, which is a big part of why they remain so popular with collectors and everyday wearers alike.

The GMT-Master was developed in the 1950s in cooperation with Pan American World Airways, designed for pilots and crew who needed to track two time zones at once. The reference 1675 was produced from around 1959 through the late 1970s and is one of the most collected vintage Rolex references out there. It runs on the caliber 1570, a solid and proven automatic movement that Rolex used across several models during that era. The watch has a 40mm steel case and uses a bidirectional 24-hour bezel insert to display a second time zone, which is the core function that defines the GMT-Master line.

The 1675 comes in a few bezel color variations, with the red and blue "Pepsi" version being the most well-known. Watches from this reference and era are considered vintage by most standards, so buyers should expect signs of age and use. The 1675 appeals to collectors who want a functional tool watch with real history behind it, not just something that looks old. Parts, dials, and bezels for this reference are well-catalogued, which makes authentication straightforward compared to some other vintage references.

Key Details To Consider

This Rolex GMT-Master reference 1675 is a solid example of a late-1970s tool watch that has held up well over the decades. The serial number places production at approximately 1978, and the details throughout are consistent with that period.

The case was polished at some point in its past, which is worth noting, but it has retained good proportions and the lugs remain sharp. It presents well for a watch of its age. The dial is an original MK4 configuration with aged lume on the plots and hands that has spread evenly and consistently, giving it the kind of honest, uniform patina collectors look for in a vintage piece. The two-color red and blue "Pepsi" bezel insert is in excellent condition, with strong color and minimal fade.

The jubilee bracelet shows very little stretch and currently fits a 7.5 inch (19 cm) wrist. Additional links are available on request. The clasp is stamped with a "C" hallmark, which dates it to 1978 and makes it period correct to the watch itself. All case engravings, including the serial and model numbers, are fully legible and intact.

The movement was professionally serviced in August 2024 and runs correctly. It was also pressure tested to 3ATM (30 meters) following the service. This is a clean, honest example of the 1675 with matching, period-correct components throughout, and it is ready to wear.

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