HUBLOT - Big Bang, ref. 301.SB.131.RX. Chronograph wristwatch in brushed stainless steel. Round case, bezel with 6 titanium screws, screw-down back. Matt black dial with display of hours, minutes, seconds and chronograph, tachometric scale. Automatic mechanical movement, chronograph. Sapphire crystal. Diameter: 44mm Weight: 155.55g The watch is in working order at the time of writing, However, we cannot guarantee that it will function in the future. As the watch has not been tested over a long period of time, we cannot guarantee the movement and its power reserve. A of the watch is recommended.