Hublot Big Bang Integrated Yellow Gold Jewellery Watch - 42 mm - Black Skeleton Dial - 451.VX.1130.VX.980442 mm satin finished and polished 18K yellow gold case set with 64 diamonds and 14 baguette cut diamonds, satin finished and polished 18K yellow gold bezel set with 54 baguette cut diamonds, sapphire crystal with anti reflective treatment, matte black skeleton dial, HUB1280 UNICO manufacture self winding chronograph flyback movement, approximately 72 hours of power reserve, 18K yellow gold deployant buckle. Water resistant to 100m (10 ATM).