The IWC Pilot Performance Chronograph 41 Mercedes-AMG Petronas Formula One watch is powered by an automatic movement inside of a 41mm Ceratanium® case. The black ceramic bezel showcases a tachymeter scale. The black dial is protected by sapphire crystal. Complications include a chronograph function, and a day of the week and date display. The black rubber EasX-CHANGE strap is secured by a Ceratanium® pin buckle. Water resistant to 100 meters.