Hublot Classic Fusion 521 Series Men's Watch features a case made from meticulously polished materials, consistent with the original, with a diameter of 42mm and a thickness of 12.05mm. It is equipped with a Japanese imported quartz 5-hand chronograph energy-saving movement, with a movement that is guaranteed zero defects. The dial offers over a hundred options, including various colors, stripes, and patterns, all consistent with the original. The strap is made from imported rubber and top-layer cowhide, complemented by an original folding clasp.