Stainless steel case with a black rubber strap. Fixed black ceramic bezel. Black dial with luminous silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display between the 4 and 5 o'clock positions. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. Hublot calibre HUB4214 automatic movement with a 42-hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Solid case back. Case size: 44 mm. Round case-shape. Fold over clasp with a push button release. Water resistant at 100 meters / 330 feet. Functions: date, hour, minute, second. Luxury watch style. Watch label: Swiss Made. Item Variations: 311 SM 1170 RX, 311-SM-1170-RX, 311/SM/1170/RX, 311SM1170RX. Hublot Big Bang Aero Bang Automatic Chronograph Mens Watch 311.SM.1170.RX.