Bold and unconventional - an iconic Hublot design High-tech, ultra-tough black ceramic bezel 44mm stainless steel case and black structured rubber strap HUB4100 automatic chronograph with 42-hour power reserve The perfect fusion of performance and style The iconic Big Bang is the perfect expression of Hublot's Art of Fusion design philosophy, combining a range of high-tech materials, all created in-house, with an aesthetic that defies convention. The result is an elegant symbiosis of durable functionality, structural finesse and forward-thinking design. This model, the stainless steel 44mm case paired with a rubber strap and ceramic bezel, is both modern and industrial while maintaining the elegance associated with a high-end timepiece. A carbon fiber design on the stamped dial and striking red accents lend this unique watch an unmistakeable sporty feel. Powering this timepiece is theHUB4100 automatic chronograph movement, featuring a 42-hr power reserve and Hublot-inscribed rotor, visible through the sapphire caseback.