A gentleman’s titanium and tungsten Hublot Aero Bang Big Bang automatic, skeleton, chronograph date wristwatch circa 2009. Reference number 310.KX.1140.RX. Limited edition, number 698/999. Case number 745752. 44 mm. Circular case, black skeleton dial. Case, dial, movement, crown and buckle signed. Original rubber strap. Original box, books and warranty card.