Authentic Hublot Big Bang 44mm watch, model: 301.AI.460.RX. Features a titanium case paired with a black rubber strap secured by a push button foldover clasp. The grey dial is complemented by sapphire crystal ensuring scratch resistance and clarity. Powered by a chronograph movement providing precise timing functions. Rated at 45mm in diameter, it has a thickness of 15mm. Comes equipped with a solid case back and offers water resistance up to 100 meters (330 feet). Includes a 2-year WatchMaxx warranty for added peace.