Stainless steel case with a stainless steel bracelet. Fixed bezel. Skeleton black dial with luminous hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Date display between 4 and 5 o'clock position. Chronograph - sub-dials displaying: three - 60 second, 30 minute and 12 hour. Automatic movement. Hub 4214 engine. Scratch resistant sapphire crystal. Case diameter: 44 mm. Round case shape. Deployment clasp. Water resistant at 100 meters / 330 feet. Functions: chronograph, date, hour, minute, second. Luxury watch style. Watch label: Swiss Made. Item Variations: 311 SX 1170 SX, 311-SX-1170-SX, 311/SX/1170/SX, 311SX1170SX. Hublot Big Bang Aero Bang Black Skeleton Dial Steel Mens Watch 311SX1170SX.