Authentic Hublot Big Bang chronograph men's watch with model number 301.PX.130.RX.174, featuring an automatic movement powered by the Calibre HUB4300 engine (providing a 42-hour power reserve) and housed in a brushed and polished 18K rose gold case accented with diamonds. The black structured dial displays luminous hands and Arabic numeral hour markers along with minute markers around its outer rim, incorporating three sub-dials (for date, seconds, 30-minute interval) positioned between the hours to show time across different scales. It comes equipped with a diamond set bezel, powered by a Hublot Calibre HUB4300 engine, 42-hour power reserve, automatic chronograph movement displaying hour, minute, second, and date functions (date display located between 4 and 5 o'clock), fixed bezel design, push-pull crown deployment with button clasp mechanism, sapphire crystal glass for scratch resistance, a transparent case back allowing view of the mechanics, unique case shape, black dial, rose gold tone elements including hands and minute markers, date window positioned between 4-6 o'clock on the main dial, water resistant to 100 meters (330 feet), and includes a standard WatchMaxx warranty.