Included as a Full Set:

Tudor 2025 Black Bay GMT "Pepsi" opaline dial, ref. M79830RB‑0012
Original Tudor inner and outer boxes
Warranty card and booklets/manuals
Factory Tudor NATO‑style fabric strap
Additional aftermarket strap with OEM Tudor deployant clasp

Watch Description:

The Black Bay GMT “Pepsi” takes Tudor’s classic Black Bay dive‑watch language and adds a highly functional dual‑time complication, the ability to display three time zones at once: local time, a second time zone with the red and blue 24‑hour bezel, and a third time zone using the red GMT hand. This watch clearly nods to historic GMT icons while remaining distinctly Tudor thanks to the "snowflake" hand-set and no‑crown‑guard case.

The 41 mm steel case has a mix of brushed surfaces and polished case sides, giving it both tool‑watch robustness and some wrist presence, while the 200 m water‑resistance rating and screw‑down crown make it a capable sports watch.

Its domed opaline dial isn’t a flat white; it has a silvery‑white galvanic finish that gives a subtle metallic sheen under changing light. Applied markers, snowflake hour and seconds hands, and the red GMT hand are all filled with luminous material for strong low‑light legibility, with a date window at 3 o’clock completing the travel‑ready layout.

Inside contains the MT5652 in‑house automatic movement that offers approximately 70 hours of power reserve, COSC‑certified accuracy, and a true flyer‑style GMT function where the local hour hand adjusts independently in one‑hour jumps while home time and the red GMT hand remain anchored. This makes time‑zone changes quick and intuitive, and the movement’s silicon balance spring, robust construction, and bi‑directional winding deliver modern reliability and performance.

This watch is fitted with a high-quality aftermarket strap with OEM deployant clasp that gives you a more substantial, dressy option without sacrificing Tudor hardware quality. The factory Tudor fabric (NATO‑style) strap with burgundy center stripe, emphasizes the watch’s tool‑watch and travel character is included.

Features:

  • Model: Tudor Black Bay GMT “Pepsi”

  • Reference: M79830RB‑0012

  • Year: 2025

  • Case: 41 mm stainless steel, polished and satin finish, ~14.5 mm thick

  • Bezel: Bidirectional rotating 24‑hour bezel with red/blue “Pepsi” aluminum insert

  • Dial: Domed opaline (white) dial with galvanic finish, applied markers, snowflake hands, red GMT hand, date at 3 o’clock

  • Crystal: Domed sapphire crystal

  • Straps included:

    • Factory Tudor black fabric (NATO‑style) strap with burgundy stripe

    • Aftermarket strap fitted with OEM Tudor deployant clasp

  • Movement: Tudor manufacture calibre MT5652 automatic GMT, COSC chronometer, ~70‑hour power reserve, flyer‑style independently adjustable local hour hand

  • Water resistance: 200 m / 660 ft