Equipped with the HUB4700 calibre, the successor to the famous El Primero movement, this Hublot Spirit Of Big Bang Ceramic Automatic Chronograph Watch is a perfect fusion of tradition and innovation. Its all-black ceramic case and flashes of red on the dial give this high-performance timepiece a powerful and daring aesthetic. At A Glance  Presented on a black structured lined rubber strap with black-plated titanium deployant buckle clasp 42mm microblasted black ceramic case with 100m water resistance Microblasted black ceramic bezel with 6 H-shaped titanium screws Scratch resistant sapphire crystal with anti-reflective treatment Sapphire dial with baton hour markers Three chronograph sub-dials Date window at 4:30 Powered by the HUB4700 self-winding automatic chronograph movement Up to 50 hour power reserve