Bulova B1839 Wilits Frank Lloyd Wright Mantel Clock. Adaptation of an art glass window from the Ward W. Willits house, a 1902 prairie-style masterpiece, Highland Park, Illinois. Solid wood case, Walnut Finish. Quiet sweep (no ticking) second hand. Requires (2) AA batteries, not included. Adaptation of an art glass window from the ward w. Solid wooden case and geometric wooden pendulum. Quiet sweep (no ticking) second handle. Operates on (2) aa batteries, not included. Power source type: Battery Operated.