Tudor Black Bay GMT "Pepsi" Steel 41mm Opaline Dial Fabric Strap M79830RB-0012

The Tudor Black Bay GMT is one of the most compelling GMT watches available today, and the M79830RB-0012 in particular has earned a devoted following among collectors and everyday enthusiasts alike. Introduced as part of Tudor's revitalized Black Bay family, the Black Bay GMT carries forward the brand's deep-rooted connections to tool-watch history while delivering a modern, in-house-powered timepiece that punches well above its price point. The 'Pepsi' colorway—a bi-color red and blue bezel—has been a shorthand for GMT watches since the earliest days of professional aviation and dive timekeeping, and Tudor's aluminum rendition honors that tradition faithfully.

At 41mm in diameter, the stainless steel case of the M79830RB-0012 occupies a sweet spot that suits a wide range of wrist sizes without feeling oversized or understated. The case architecture is unmistakably Black Bay: snowflake hands borrowed from Tudor's vintage dive catalog, bold lugs, and a cushion-shaped profile that gives the watch a three-dimensional presence on the wrist. Stainless steel construction ensures durability, resistance to everyday knocks, and that satisfying heft that signals genuine quality.

The opaline luminous dial is one of the standout features of this reference. Opaline dials have a subtle, shimmering quality—neither flat white nor stark silver—that catches the light differently throughout the day and gives the watch a more refined, dressy character than a matte or sunburst finish would. Paired with Tudor's generously lumed snowflake hands and applied hour markers, the dial offers excellent legibility in low-light conditions, making this watch as functional at a late-evening dinner as it is on a long-haul flight.

The bi-color aluminum Pepsi bezel is the visual centerpiece of the M79830RB-0012. The red half marks the first twelve hours of a second time zone while the blue half marks the second twelve, allowing the wearer to track two time zones simultaneously at a glance alongside the dedicated GMT hand. Aluminum bezels develop a natural patina over time, and many collectors appreciate the character that comes with wear—though this example is offered brand new, so the bezel retains its factory-fresh color and grip.

The fabric strap supplied with this reference is a nod to the NATO-style straps associated with military and expedition watches, and it adds a relaxed, versatile quality to the package. It pairs beautifully with the opaline dial's refined tone and the Pepsi bezel's bold color pop, giving the watch a certain effortless, off-duty elegance. Bizak & Co. is proud to offer the Tudor Black Bay GMT M79830RB-0012 brand new, ensuring that every customer receives a genuine Tudor timepiece in pristine, unplayed condition. Reach out to our team to confirm availability, discuss pricing, or buy this reference online with confidence.