This Hublot is 45 mm microblasted and polished white ceramic case, microblasted and polished white ceramic bezel, sapphire crystal with anti-reflective treatment, sapphire dial, HUB4700 self-winding skeleton chronograph movement, approximately 50 hours of power reserve, black rubber and white alligator strap, titanium deployant buckle. Water resistant to 100m (10 ATM).