Wall clock makes one revolution every 24 hours. Clock is bronze with white and gray face. The clock has black numbers and hands, red second hand, quartz movement, and a +/- 1/3 second-per-day accuracy. Hanging hardware included. Uses one AA battery, not included. All plastic clock frames will biodegrade within an average of 2 years in a landfill environment (reference ASTM D5511.) Plastic bodies contain 30% post-consumer recycled content.