Hublot Classic Fusion 521 Series Men's Watch features a case made from finely polished materials, identical to 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 the movement being guaranteed zero repairs. The dial offers over a hundred options, including various colors, different color stripes, and various patterns, all consistent with the original. The strap is made from imported rubber and top-layer cowhide, featuring an original folding clasp.