Hublot, Classic Fusion Series, Model: 542.NX.1171.RX, Automatic Mechanical Watch 42mm diameter, best-selling black dial, top-quality single watch, the most popular model: common ones are 511.NX and 1171.RX (45mm diameter titanium version). The entry-level representative work of Hublot's "The Art of Fusion", it combines the simple texture of formal wear with the tough style of sports watches. Case: Crafted from satin-polished titanium, it is lightweight and corrosion-resistant. The bezel features the iconic six H-shaped titanium screws, a classic signature element of Hublot. Dial: Matte black minimalist dial, with bar hour markers and hands, and a date window at the 3 o 'clock position. The overall design is clean and neat, not flamboyant but highly recognizable. Strap: The picture shows a black alligator leather strap. There is also a rubber strap version of the same series, paired with a titanium folding clasp, suitable for different wearing scenarios..