This Hublot is 42 mm satin-finished and polished 18k king gold case set with 166 colored gemstones, polished 18K king gold bezel set with 54 baguette-cut colored gemstones, 6 H-shaped titanium screws, sapphire crystal with anti-reflective treatment, matte black skeleton dial set with 89 colored gemstones, HUB4700 self-winding skeleton chronograph movement, approximately 50 hours of power reserve, black rubber and multicolored alligator strap, 18K king gold and black-plated stainless steel deployant buckle. Water resistant to 100m (10 ATM).