Round, slim-profile workstation clock features quartz movement with +/- 2 minute-per-year accuracy to keep you on schedule. The design also features black Arabic numerals and minute marks, black hour and minute hands and a red sweep second hand. 16-1/2″ diameter wall clock uses one AA battery (not included). Flat plastic lens is UV-protected. Plastic body contains 30 percent post-consumer recycled content. Hanging hardware is included.