Hublot Big Bang Aero Bang ref 310.KX 1140.RX Tungsten limited edition 698/999 chronograph wristwatch, circa 2009. Dial skeletonised black dial, baton indexes, skeletonised hands, subsidiary dials for constant seconds, 30-minute and 12-hour registers. Calibre automatic 27 jewelled nickel lever movement. Case tungsten. Big Bang case, sapphire crystal display back secured by six screws. Case number 745752. Closure black Hublot rubber strap with black PVD steel Hublot folding clasp. Dimensions 44 mm diameter, bracelet circumference approximately 180 mm. Signed case, dial, and movement. Accessories Hublot instruction book and warranty, presentation box and outer box