Weight Driven Keyhole Regulator Attr: Hatch. 12 in. painted metal dial with black Roman hour numerals and large open moon hands; brass 8 day weight driven time only regulator movement with brass pulley, iron weight and brass covered pendulum bob. In a rosewood grain painted keyhole style case with original black and gold reverse painted lower tablet; original finish, replaced dial glass, replaced pendulum stick, hour hand repaired. 33 in. high x 14.25 in. wide x 4.25 in. deep. Weight: 18.75 lbs.