Stainless steel case with a black alligator gummy rubber strap. Fixed black ceramic bezel. Black skeleton dial with luminous hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display between 4 and 5 o'clock position. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. Hublot Calibre HUB4214 Automatic movement, containing 27 Jewels, composed of 252 parts, bitting at 28800 vph, and has a power reserve of approximately 42 hours. Scratch resistant sapphire crystal. Pull / push crown. Solid case back. Round case shape, case size: 44 mm, case thickness: 15 mm. Band width: 25 mm, band length: 8 inches. Fold over clasp with a push button release. Water resistant at 100 meters / 330 feet. Functions: chronograph, date, hour, minute, second. Big Bang Aero Steel Series. Sport watch style. Watch label: Swiss Made. Pre-owned Hublot Big Bang Aero Steel Chronograph Automatic Mens Watch 311.SM.1170.GR.