v2 version of Hublot HUBLOT BigBang big bang element material chronograph, the case is made of imported 316 fine steel material with an explosive design, and is equipped with a modified "HUB1242" automatic movement with instant start and one-button flyback to perfectly restore the original functions The secondary weight gain automatic swing achieves more stable travel time and ultra-low repair rate. The strap is made of natural oak rubber, which is super waterproof, soft and comfortable. The watch mirror is made of natural sapphire glass, which is wear-resistant, scratch-resistant, transparent and zero-defect. As a young The brand Hublot is high-end manufacturing with its flamboyant personality and unique design.