Hublot Hublot.V4 upgraded version (upgrade as follows). The upgrade uses the original shell to cover the molded case body. The side ears no longer use plastic. It is equipped with an upgraded version of the real tourbillon heart to enhance shock resistance and solve the problem of "low stitching and gaps" in the ordinary version on the market. "High movement repair rate" problem, 90% of the original structure is restored, one to one size, laminated sapphire crystal mirror and synchronous rubber bottom cowhide strap, which further highlights the texture that is different from small factories.) The specific selling points can be summarized as " "Six high elements" 1. High precision - real tourbillon movement, high grade and stable 2. High stitching - the bezel, case body and bottom cover are tightly and seamlessly spliced. This upgrade uses steel structure for the side lugs. Market plastic! 3. High restoration - 90% restoration of the original structure, one to one size 4. High earthquake resistance - the movement has enhanced shock resistance, breaks through the principle, and the repair rate is extremely low! 5. High strength - the lens is made of scratch-resistant sapphire polyethylene explosion-proof film, which can withstand strong impacts; 6. High appearance - the cool appearance is full of style, the fully hollow movement, and the full mechanical feel of gears ! The HUBLOT men's series BIG BANG watch is worth owning.,