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Maximum wrist size 8".
The Tudor Black Bay GMT "Pepsi" reference 79830RB is a highly sought-after model that combines vintage-inspired aesthetics with modern reliability. Featuring a 41mm stainless steel case, this watch is equipped with a striking bidirectional bezel in red and blue—earning its iconic "Pepsi" nickname. The matte black dial is accented with luminous snowflake hands and hour markers, offering exceptional legibility in all lighting conditions. At its heart is Tudor’s in-house Caliber MT5652 automatic movement, a COSC-certified chronometer that offers a robust 70-hour power reserve and true GMT functionality, allowing independent adjustment of the local hour hand without stopping the watch.
This particular example is offered with three strap options—typically including the original steel bracelet, a NATO-style fabric strap, and a leather or rubber alternative—giving the wearer versatility to match different occasions or styles. With a screw-down crown, domed sapphire crystal, and 200-meter water resistance, the Black Bay GMT is built for travel, adventure, and everyday wear.
Complete with its original box and papers, this full set offers not only a reliable tool watch but also a collectible piece that reflects Tudor’s continued rise in the world of modern horology.
