Hublot Big Bang Integral All Black Watch - 42 mm - Black Skeleton Dial Limited Edition of 500-451.CX.1140.CX42 mm satin finished and polished black ceramic case, satin finished and polished black ceramic bezel with 6 H shaped titanium screws, black composite resin lower bezel, sapphire crystal with anti reflective treatment, matte black skeleton dial, HUB1280 UNICO manufacture self winding chronograph flyback movement, approximately 72 hours of power reserve, satin finished and polished black ceramic bracelet, black plated titanium deployant buckle. Water