The Seiko 16" Arabic Numbered Round Wooden Finish Wall Clock brings warmth and sophistication to the home as well as office space. Classically designed, it features a brown case with a wooden grain finish and a quiet sweep second hand. Powered by 1 AA battery (included). Overall dimensions: 16 X 16 X 1.9 inches. All Seiko clocks are equipped with quartz movement making it the most accurate at time keeping.