This Hublot is 45 mm microblasted black ceramic case, microblasted black ceramic bezel with 6 H-shaped titanium screws, sapphire crystal with anti-reflective treatment, sapphire crystal dial, HUB4700 self-winding skeleton movement with chronograph function, approximately 50 hours of power reserve, blue rubber and alligator strap, black ceramic and black-plated titanium deployant buckle. Water resistant to 100 meters.