The Tudor Black Bay GMT Yellow Gold & Steel Black Dial 41mm Ref. M79833MN-0004 presents a versatile 41mm steel case with polished and satin finishes, accentuated by yellow gold-capped bezel and crown components for a refined, two-tone look. The standout feature is its bidirectional 48-notch bezel, with a 24-hour graduated matt brown and black anodised aluminium insert designed for globe-trotting functionality. Powered by the Manufacture Calibre MT5652, the self-winding movement (COSC-certified) offers hours, minutes, seconds, GMT, date, and chronometer accuracy, supported by a robust 70-hour power reserve. The domed black dial ensures optimal visibility with luminescent dot and index markers under domed sapphire crystal. A black fabric strap with a beige band and steel pin buckle prioritizes comfort and a casual aesthetic, while 200-meter water resistance suits both daily and travel use. This model balances multi-time zone capability, premium finishing, and mechanical reliability for frequent travelers and collectors.