Brand New Authentic Hublot Big Bang 44mm Ceramic Carbon Fiber Chronograph Dial Rubber Strap Men's Watch Model 301.SM.1770.RX. Stainless Steel with Ceramic Bezel case with Black Rubber strap. Vertical Satin-finished Black Ceramic bezel. Black dial. Chronograph movement. Scratch Resistant Sapphire crystal. Case size: 44mm. Case thickness: 14.5mm. 100 Meters - 330 Feet water resistant. 2 year WatchMaxx warranty. Also known as model: 301SM1770RX, HB301SM1770RX.