Radio Controlled. Solid wood case, mahogany finish. Most accurate movement available. Never needs setting. Picks up low frequency radio signal from U.S. Atomic Clock in Fort Collins, Colorado, which sets correct time automatically. Sets to all U.S. time zones. Automatically adjusts to Daylight Saving Time and back to Standard Time. Protective glass lens. Engraving plate included. Requires (1) AA battery, not included.

H: 7.5″ W: 10″ D: 2.75″

H: 19cm W: 25cm D: 7cm