A men's Hublot Spirit of Big Bang Chronograph watch model 601.ci.0173.rx featuring a microblasted black ceramic case, powered by the Caliber HUB 4700 movement with automatic chronograph functionality and a power reserve up to 50 hours. The skeleton dial displays luminous silver tone hands and index markers along with date information between the fourth and fifth hour marks. Red minute markers appear on the outer rim of this fixed microblasted black ceramic bezel, complemented by three sub-dials (small seconds, 30 minutes, 12 hours). This model comes equipped with a black structured lined rubber strap secured by a deployment clasp. The watch has scratch-resistant sapphire crystal and boasts water resistance suitable for swimming at depths up to 100 meters or approximately 330 feet. Adorned with a tonneau case shape measuring 51mm x 45mm, it includes a transparent screw-down case back.