This Hublot is 42 mm satin-finished and polished 18k king gold case, satin-finished, polished and microblasted 18K king gold bezel with 6 h-shaped titanium screws, sapphire crystal with anti-reflective treatment, sapphire dial, HUB4700 self-winding skeleton chronograph movement, approximately 50 hours of power reserve, black rubber and brown alligator leather strap, 18K king gold and black pvd stainless steel deployant buckle. Water resistant to 100m (10 ATM).