Wall clock hour hand makes two revolutions every 24 hours. Clock has a bronze frame with white face. Numbers, minute marks and hands are black. Second hand is red with quartz movement and has a +/- 1/3 second-per-day accuracy. 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.. Uses one AA battery, not included.