Seiko Summer Symphony Melodies in Motion Clock, BrownOn the hour, the clock plays a melody with motion (30 Finest Quality Sound melodies) Light sensor disengages all melodies and motion when it becomes dark. Demonstration button Volume control One way rotating pendulum Item Number: QXM384BRH Dimensions: 20. 5 x 17. 9 x 5. 8 inches Weight: 7. 7 lb The story of Seiko began in 1881, when a 21 year old entrepreneur, Kintaro Hattori, opened a shop selling and repairing watches and clocks in central Tokyo.