The Tudor Black Bay GMT Ref. M79830RB, fondly nicknamed the “Pepsi” for its iconic red and blue bezel, is a masterful blend of vintage-inspired design and modern tool-watch functionality that has become one of the most sought-after models in Tudor’s contemporary lineup. Housed in a robust 41mm stainless steel case with a thickness of 14.6mm, this timepiece features a distinctive bi-directional rotatable bezel with a blue and red anodized aluminium insert, paying homage to the classic GMT-Master aesthetic of the 1950s. The matte black dial provides a highly legible canvas for the brand’s signature “Snowflake” hands and applied hour markers, all filled with luminous material, while the striking gilt accents add a touch of warmth and vintage character. The dial also includes a practical date window at 3 o’clock and a central GMT hand, tipped with a red arrow, enabling effortless tracking of a second time zone for the modern traveler. At the heart of this horological instrument beats the in-house Manufacture Caliber MT5652, a COSC-certified chronometer movement with a bidirectional rotor system, a silicon balance spring for superior anti-magnetic performance, and an impressive 70-hour power reserve. With a water resistance of 200 meters, a screw-down crown, and a domed sapphire crystal, this watch is engineered for everyday robustness. Completed by a solid stainless steel bracelet with a folding safety clasp, the Black Bay GMT “Pepsi” is a rugged, versatile, and highly collectible timepiece that offers exceptional value and unmistakable presence for the discerning collector. Key specifications: 41mm steel case; black dial with gilt accents; Manufacture Caliber MT5652 (COSC) automatic movement; 70-hour power reserve; steel bracelet; 200m water resistance; domed sapphire crystal.