Seiko's Melodies in Motion Clocks are enchanting and magical. This clock brings a glittering starry night to life. On the hour, the dial opens to reveal a turning decorative wheel with Swarovski crystals and plays one of eighteen Hi-Fi melodies plus an opening and ending melody. It has a metallic silver case, a demonstration button, and volume control. This clock is enclosed in glass, the pendulum features Swarovski crystals, and an off/on switch. Three sets of melodies are available for selection on the control panel: The Four Seasons "Spring, " Kannon, Eike Kleene Nachtmusik, Symphony No. 6 "Pastoral", "Morning" From Peer Giant, La Travolta "Drinking Song", Amazing Grace, The Planets "Jupiter", Waltz Of The Flowers, Salute d "Amour, Pictures At An Exhibition "Promenade", Dance Of The Reed Pipes, Deck The Halls, O Tannenbaum, We Wish You A Merry Christmas, Joy To The World, Silent Night, Jingle Bells. Powered by 1 C battery (included).