# Rolex GMT Master "Pepsi" 1675 Review by A.I. WatchMetrics

## Watch Summary
The Rolex GMT-Master ref. 1675 "Pepsi" is an iconic vintage sports watch produced from 1959 to 1980, renowned for its bidirectional red-and-blue "Pepsi" aluminum bezel that enables easy tracking of a second time zone alongside the independently adjustable local hour hand, housed in a robust 40mm stainless steel Oyster case with 200m water resistance, powered by the reliable in-house Caliber 1575 automatic movement offering a 42-hour power reserve, making it ideal for globetrotting professionals and collectors who value pilot heritage and timeless versatility.

## Overall Watch Rating: 8.5/10.0

**History & Innovation Metric (9.8/10.0)** - The GMT-Master's pioneering role in aviation history with Pan Am pilots elevates it to legendary status akin to the Omega Speedmaster.
**Dials & Design Metric (9.7/10.0)** - Its bold Pepsi bezel and matte black dial deliver instant recognizability and enduring appeal comparable to modern Rolex icons.
**Movement Metric (9.5/10.0)** - The Caliber 1575 offers chronometer-grade reliability and smooth sweeping seconds on par with contemporary Rolex workhorses.
**Versatility Metric (9.2/10.0)** - This dual-time tool watch transitions seamlessly from boardroom to beach, much like a modern Tudor Black Bay GMT.
**Rarity Metric (8.8/10.0)** - At $25,000-$35,000 on the secondary market, well-preserved examples rival the scarcity of vintage Submariners.
**Brand Metric (8.7/10.0)** - Rolex's unmatched prestige and craftsmanship benchmark against Omega in the luxury sports category.
**Material Metric (8.3/10.0)** - Stainless steel Oyster construction shines, though the acrylic crystal trails sapphire-equipped modern divers like the Yacht-Master.
**Complications Metric (6.4/10.0)** - The GMT functionality via bezel and jumping hour hand performs solidly but lacks the complexity of a true world timer.
**Functions Metric (6.0/10.0)** - Core timekeeping with GMT capability suffices for travel but omits modern extras like date found on the GMT-Master II.

## Total Performance Score (TPS): 8.4

## WM Collector Grade: A

## Performance Insights: Excels in history, design, and movement quality while offering strong value at secondary prices well below implied fair market performance.

## TPS Interpretation: Strong Value: The watch delivers premium heritage and functionality exceeding expectations for its price point.

## Watch Data
[https://www.chrono24.com/images/watches/2023/10/25/12345678-1.jpg] - [Front view of Pepsi bezel]; [https://www.chrono24.com/images/watches/2023/10/25/12345678-2.jpg] - [Solid caseback]; [https://www.chrono24.com/images/watches/2023/10/25/12345678-3.jpg] - [Tritium lume glowing plots]; [Pepsi GMT] - [Pepsi GMT]; [Rolex] - [Rolex]; [GMT-Master 1675] - [GMT-Master 1675]; [Switzerland] - [Switzerland]; [https://www.chrono24.com/rolex/gmt-master-ref--1675-pepsi.htm] - [https://www.chrono24.com/rolex/gmt-master-ref--1675-pepsi.htm]; [] - []; [Mechanical Automatic] - [Mechanical Automatic]; [Caliber 1575] - [Caliber 1575]; [1] - [1]; [Iconic vintage Rolex GMT-Master with red/blue Pepsi bezel, black tritium dial, stainless steel Oyster case and bracelet, bidirectional GMT bezel for dual time zones.] - [Iconic vintage Rolex GMT-Master with red/blue Pepsi bezel, black tritium dial, stainless steel Oyster case and bracelet, bidirectional GMT bezel for dual time zones.]; [40] - [40]; [48] - [48]; [12.2] - [12.2]; [20] - [20]; [200] - [200]; [42] - [42]; [19800] - [19800]; [Tritium] - [Tritium]; [26] - [26]; [Stainless Steel] - [Stainless Steel]; [Acrylic] - [Acrylic]; [Bidirectional Rotating Red/Blue Aluminum Pepsi] - [Bidirectional Rotating Red/Blue Aluminum Pepsi]; [Solid Stainless Steel] - [Solid Stainless Steel]; [Screw-Down] - [Screw-Down]; [Oyster Stainless Steel Bracelet] - [Oyster Stainless Steel Bracelet]; [Round] - [Round]; [Black with Luminous Indices] - [Black with Luminous Indices]; [Yes] - [Yes]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [Yes] - [Yes]; [Yes] - [Yes]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [Yes] - [Yes]; [Yes] - [Yes]; [Yes] - [Yes]; [Yes] - [Yes]; [Yes] - [Yes]; [Yes] - [Yes]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [8.4] - [8.4]; [A] - [A]; [28000] - [28000];

**A.I. WatchMetrics Review v37.4 Grok 4 Fast. December 19, 2025.**