The Crosby Gallery Clock is a 30" diameter metal gallery clock with applied Roman numerals and cast metal gears. The inner and outer rings and spade hands are finished in a warm gray iron. Features antique brass finished gears and numerals. Inbcludes Quartz, battery operated movement. Requires 1 AA battery (not included). Dimensions: 2 1/4"D x 30"Diameter. Made by Howard Miller.