Brand New Authentic Hublot Big Bang Unico wristwatch for men with model number 441.nx.5179.rx. Features a polished Grey Titanium case, blue-lined rubber strap, skeleton dial design showing the movement and automatic Chronograph movement Calibre HUB1242. Includes date at 3 o'clock position, power reserve indicator, hour minute second hands, screw down crown, sapphire crystal resistant to scratches, round shape with case size of 45mm, fixed bezel, transparent back for visible mechanism, water resistance up to 100 meters or 330 feet.