Authentic Brand New Hublot Big Bang Chronograph Model 341.SX.7170.LR featuring a polished stainless steel case with diamond-set bezel, blue alligator leather strap equipped with a deployment clasp, fixed bezel, sapphire crystal glass, automatic self-winding movement (Calibre HUB4100), date function at the 4 to 5 o'clock position, chronograph sub-dials for seconds, minutes and hours, silver-tone hands on a blue dial with Arabic numeral hour markers and minute markers around the outer rim. Includes power reserve indicator, water resistance of 100 meters (330 feet). Comes with a 2-year WatchMaxx warranty.