Howard Miller 625-333 Ball Wall Clock This retro clock is an adaptation of a classic George Nelson design that was first produced by Howard Miller in the 1940s. The center is finished in brushed nickel, and is surrounded by 12 black satin balls on nickel-finished rods. Black hands complete the duotone style. Quartz, battery-operated movement requires one AA battery (not included). Depth 2.25" (6 cm) Diameter 14" (36 cm)