43 mm Stainless steel case with a stainless steel bracelet. Fixed stainless steel bezel. Silver (cutaway) dial with luminous silver-tone hands and index hour markers. Minute markers. Tachymeter markings around the outer rim. Dial Type: Analog. Luminescent hands and markers. Chronograph – two sub-dials displaying: 12 hour and 30 minute. Zenith calibre El Primero 4061 automatic movement, based upon Zenith El Primero 400, containing 31 Jewels, composed of 282 parts, bitting at 36000 vph, and has a power reserve of approximately 50 hours. Scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Round case shape.Water resistant at 100 meters / 330 feet. Functions: chronograph, column wheel, hour, minute, small second.