Howard Miller 625-602 Onyx Wall Clock This contemporary 30" wall clock features a High-gloss Black finished ring with a polished chrome-finished plated center disk and cross bars. The hour and minute hands are also chrome-finished, and bold hour markers are polished stainless steel. Quartz, battery-operated movement requires one AA sized battery (not included). INT1014 Diameter 30" (76 cm) Depth 2" (5 cm)