The Hublot Big Bang ref: 418.OX.1108.RX.1604.MXM20 features a 45mm case crafted from rose gold. This model, released in 2020, is powered by the HUB 1240 automatic winding movement. It includes a chronograph function with a flyback feature and displays the date. The watch is presented with a black dial, offering a striking contrast to the rose gold case.