This clock weights about 40lbs. The glass over the clock part is missing. Clock has not been tested. This is information I collected from research on-line: A Tiffany & Co. neoclassical gilt bronze wall clock "Day & Night" by Louis Valentin Elias Robert (French, 1821-1874) Retailed by Tiffany & Co., New York, circa 1870. signed L.V.E. Rob. Fr. Dimensions: height 21 7/8 x width 21 inches.