Chicago Lighthouse - Atomic Slimline Contemporary Clock, 12-3/4", Black
Maintains its accuracy by automatically matching the National Bureau of Standards Atomic Clock in Boulder, Colorado and automatically setting itself to daylight-saving time. Changing of the hour hand saves maintenance labor in facilities with numerous clocks. Larger dial size makes it easier to tell time from a distance. Slimline design gives sleek, modern appearance. Time Format: Standard; Power Source(s): Requires one AA battery (sold separately); Movement Type: Quartz; Overall Diameter: 12 3/4".