Hublot Tungsten Aero Big Bang 310.KX.1140.RX. Ltd Edition on 999. Automatic Hublot HUB44 SQ Movement. Case diameter 44mm. Water resistant to 100 meters. Case made of Tungsten, satin finish. Black microblasted skeleton dial with applied index hour markers. Hours, Minutes, Small Seconds, Chronograph, Date between 4 and 5 o'clock. 27 jewels, 252 parts, 42-hour power reserve. See through sapphire crystal back. Black silicon rubber strap with deployment clasp. Box and papers dated July 2011.