Hublot Big Bang Unico Sapphire All Black Limited Edition of 500 Watch-411.JB.4901.RT45 mm polished black smoked sapphire crystal case, satin finish black rubber and black PVD titanium crown, polished black smoked sapphire crystal bezel set with 6 H shaped black PVD coated titanium screws, sapphire crystal, black polished transparent composite resin skeleton dial, HUB 1242 UNICO self winding movement with flyback chronograph and date, approximately 72 hours of power reserve, black transparent structured ribbed strap, black PVD