Complete set, Hublot, Big Bang Soul series, model: 642.mN.0170.RX, automatic winding, titanium metal, case diameter: 42MM 1. Case structure Barrel-shaped (arc-shaped square) case, 42mm in size; The main body is made of satin and polished titanium metal. The bezel and side of the watch are made of black ceramic composite material. The outer bezel is fixed by six signature H-shaped titanium metal screws, making it highly recognizable. 2. Dial The fully skeletonized sapphire transparent dial allows for a complete view of the internal chronograph movement. Three-dimensional luminous hour markers, wide luminous hands; There is a 30-minute counter at 3 o 'clock, a small second counter at 6 o 'clock, a 12-hour counter at 9 o 'clock, and a date window at 4:30. 3. Watch band The black natural rubber strap, paired with a folding clasp, fits the wrist well and is lightweight, providing high comfort during sports wear