Blending tradition with innovation, this Hublot Spirit Of Big Bang Moonphase Automatic Watch fuses a high-tech movement with a skeleton dial and Moonphase display. Its distinctive tonneau shape and curved case ensures a perfect fit on the wrist. At A Glance  Presented on a black structured lined rubber strap with stainless steel deployment buckle clasp 42mm polished and satin-finished titanium case with 100m water resistance Satin-finished and polished titanium bezel with 6 H-shaped titanium screws Scratch resistant sapphire crystal with anti-reflective treatment Sapphire dial with baton hour markers Moonphase display Big date window at 1:30 Powered by the HUB1770 self-winding automatic moonphase movement Up to 50 hours power reserve