Antique long -drop Regulator Clock

Clock is marked REGULATOR on the lower window. The top half of the clock has an octagonal shape, a circular glass window revealing a white toned clock face with black toned Roman numerals and hands. The lower window has a silver toned metal twist knob. Piece measures approx 24 inches tall, 13 inches wide, and 4.5 inches deep. Antique wall regulator Clock Has the Key with it