Hublot Big Bang SPIRIT OF BIG BANG Series Watch Inspired by Racing.Hublot has launched the new limited edition Spirit of Big Bang watch, inspired by the world of racing.Detail Features.The new Spirit of Big Bang watch incorporates all the iconic elements of the Spirit of Big Bang series, including a barrel-shaped case made from white composite resin. It features a sandwich structure built with six H-shaped screws, conveying the idea of a fusion of technology. The case has a diameter of 45mm, perfectly replicating an exclusive custom-imported mechanical movement. It comes with an original buckle and a custom rubber strap for a better fit.