Stainless steel case with a black rubber strap. Fixed black ceramic bezel. Black carbon fiber pattern dial with luminous hands and alternating Arabic numeral and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display appears between the 4 and 5 o'clock positions. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. Automatic movement with a 42 hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Case diameter: 44 mm. Case thickness: 14.5 mm. Round case shape. Band width: 25 mm. Band length: 8 inches. Fold over clasp with push button release. Water resistant at 100 meters / 330 feet. Functions: hours, minutes, seconds, calendar, chronograph. Sport watch style. Watch label: Swiss Made. Item Variations: 301.SB.131.RX, 301-SB-131-RX, 301/SB/131/RX, 301SB131RX. Hublot Big Bang Steel Ceramic Mens Watch 301.SB.131.RX.