Housed in a 41 mm round stainless steel case measuring 14.5 mm thick, the Black Bay GMT wears on a matching stainless steel bracelet secured by a fold-over clasp. The coin-edge bi-directional rotating bezel features a red and blue GMT aluminium ring — the classic Pepsi configuration — while a screw-down crown and solid case back contribute to water resistance rated at 200 metres / 660 feet.
The black dial is dressed with luminous silver-tone snowflake hands and dot hour markers, minute markings running around the outer rim, and a date window positioned at 3 o'clock. Legibility is further aided by luminescent indices, all beneath a scratch-resistant sapphire crystal.
Driving the watch is the Tudor calibre MT5652 automatic movement, operating at 28,800 vph with 26 jewels and approximately 70 hours of power reserve. Functions include GMT with a second time zone, hours, minutes, seconds, and date. This example is accompanied by its original box and papers, reference M79830RB-0001.