Authentic Hublot Big Bang Men's Watch model 301.PX.1180.RX. Features an 18kt rose gold case and black dial, equipped with a chronograph movement. Comes on a black leather strap (not rubber) as per data provided. Includes sapphire crystal for scratch resistance, water resistance up to 100 meters / 330 feet, dimensions: case size 44mm diameter, thickness 14.5mm, and includes a 2-year WatchMaxx warranty.