Black aluminum case with a black rubber strap. Fixed black aluminum bezel. Black dial with silver-tone hands and Arabic numeral & index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 6 o'clock position. Chronograph - three sub-dials displaying: 60 second, 30 minute, and 12 hour. Zenith Calibre El Primero 400 Automatic movement, containing 31 Jewels, composed of 278 parts, bitting at 36000 vph, and has a power reserve of approximately 50 hours. Scratch resistant sapphire crystal. Pull / push crown. Transparent see through case back. Round case shape, case size: 42 mm. Fold over clasp with a safety release. Water resistant at 100 meters / 330 feet. Functions: chronograph, column wheel, date, hour, minute, small second. El Primero Series. Dive watch style. Watch label: Swiss Made. Pre-owned Zenith El Primero Chronograph Automatic Black Dial Mens Watch 24.2041.400.