Vintage GMT-Master 1675 vs the modern Pepsi GMT-Master II

The modern caliber 3285 lets you jump the local hour hand in one-hour steps while the 24-hour hand keeps home time, which is what makes it a proper travel watch. The 1675 works the other way. Its 24-hour hand is fixed to the hour hand, so you track a second time zone by rotating the bezel to offset the 24-hour scale. It works, but it is a different habit, and it is the single biggest adjustment for someone coming from a modern Pepsi.

The 1675 also has no quickset date and, before about 1972, no hacking seconds. Setting it takes a minute rather than a few seconds. Owners tend to stop minding after a week.

A 1675 is a fifty to sixty year old mechanical object. It needs a service every five years or so from someone who knows vintage Rolex, and you should tell that person not to polish the case or touch the dial and hands. The acrylic crystal scratches but polishes out; the aluminum insert fades and is the part most likely to have been replaced. Water resistance should be treated as splash-proof unless the watch has been pressure tested recently.

None of this is a problem if you expect it. It is a problem if you expect the watch to behave like a 126710BLRO, which is why we spend time on this conversation with buyers moving over.

Yes. The ceramic bezel on the modern watch is glossy, deep in color and perfectly even; the aluminum insert on a 1675 is matte and, on most survivors, faded to some degree, with the red often gone toward pink and the blue toward grey. The 1675 crystal domes up and distorts at the edge. The modern dial has applied markers with white gold surrounds and a lume that glows blue; the 1675 dial has painted markers with lume that has aged to cream or yellow.

The modern watch also wears larger despite the same diameter, because the lugs are thicker and the bracelet is heavier.

It depends on why you are leaving. If the modern watch felt too common or too perfect, a 1675 answers that directly, because no two faded Pepsi inserts are the same and the watch shows its age honestly. If you are hoping the vintage watch will be a cheaper way into the Pepsi look, be careful: a correct, honest 1675 is not a bargain and a cheap one usually has a reason.

We generally suggest a matte-dial 1675 from the 1970s as the first vintage GMT: the most plentiful, the best documented and the easiest to verify. The examples below show actual sale prices from our own inventory.

The modern Pepsi has traded above retail for most of its life and its removal from the catalog in April 2026 has kept interest high. The 1675 has decades of auction history and its best examples have proven resilient across market cycles. Both have done well; the difference is that the modern watch's value is tied to supply from Rolex and a single configuration, while the 1675's value is spread across many configurations and depends on condition and originality.

We would not predict which does better from here. We would say that a correct, unpolished 1675 with an even fade has never been hard to sell.

Serial and reference between the lugs, then whether the dial, hands, insert and bracelet all suit that serial range. Lume on the dial and hands should match in color and texture. The case should have sharp lug bevels and crown guards that have not been rounded off. The insert should look old in the same way the dial does; a bright new insert on a creamy dial is a replacement. Ask for a recent service record and a pressure test.

Papers are scarce on 1675s and a full set is a genuine rarity. The full-set example below sold from our inventory, and the difference in price against a watch-only example tells you what buyers think of documentation.