The Hublot Big Bang ref: 301.SB.131.RX features a 44mm case crafted from a combination of ceramic, stainless steel, and resin. This timepiece is powered by the automatic winding Hublot caliber HUB4100 movement. It includes a chronograph function and a date display, both presented against a black dial. The watch's robust design is complemented by its durable materials, making it suitable for various occasions.