Fusing luxury with innovation, this Hublot Big Bang Unico 18ct King Gold Automatic Chronograph Watch is daring, powerful and uncompromisingly technical. Powered by the brand\'s first ever in-house movement, Unico, it brings together all the elements of innovative design and exceptional watchmaking. At A Glance  Presented on a polished and satin-finished 18ct King Gold bracelet with 18ct King Gold deployant buckle clasp 42mm polished and satin-finished 18ct King Gold case with 100m water resistance Satin-finished and polished 18ct King Gold bezel with 6 H-shaped titanium screws Scratch resistant sapphire crystal with anti-reflective treatment Matte black skeleton dial with baton hour markers Two chronograph sub-dials Date window at 3 o’clock Powered by the HUB1280 UNICO Manufacture self-winding automatic chronograph flyback movement with column wheel Up to 72 hours power reserve