Seiko Derby is where time meets modern design. This analog round wall clock features unique elongated numerals. Available in black or white. Numerals are printed on the glass while markers are printed on the front case for a distintive modern look. The quiet sweep second hand continuously glides around the clock, eliminating annoying ticking sounds. Powered by 1 AA battery (included). Overall dimensions: 12.24 X 12.24 X 1.54 inches. Quartz crystal movement allows for the most accurate time keeping. Perfect for tween to adult.