This Hublot is 42 mm polished 18K king gold case set with 166 diamonds, polished 18K king gold bezel set with 54 baguette-cut diamonds, sapphire crystal with anti-reflective treatment, sapphire crystal dial, HUB4700 self-winding skeleton chronograph movement, approximately 50 hours of power reserve, black structured lined rubber strap, 18K king gold and black-plated titanium deployant buckle. Water resistant to 100m (10 ATM).