Aviation Gifts: Our Dual Time Dispatch Instrument Airplane Wall Clock is a great gift idea for a pilot or airplane enthusiast. The shape of the Dispatch Clock is fashioned after cockpit airplane instruments. The case is injection molded high impact polystyrene, and the clock cover also has a polystyrene lens. Separate hands indicate 12 or 24 hour time. A "AA" battery, not included, powers the American made quartz clock movement.