Airplane Decor - This Airplane Dual Time Clock is a perfect clock for a FBO or military office. The Dual Time Wall Clock can be read in 12-hour or 24-hour time. This Dual Time Clock measures about 10" in diameter and has large hands with second hand and numbers that are easily seen across a room. The longer red hand can be set for GMT or Zulu Time. The clock has a plastic frame casing and clear plastic lens with quartz movement and a “AA” battery is required for operation.