Hublot Big Bang Black & Steel Chronograph Men's Watch 301.SM.1770.RX.  This watch has an automatic movement with a 42 hour power reserve contained within a 44.5 mm stainless steel case.  The dial is black carbon fiber with white markers, chronograph function, and date display covered by a scratch resistant sapphire crystal.  The strap is black rubber with a deployment buckle. Water resistant up to 100 meters.