So you are looking for a motion clock for the holiday season? The Seiko QXM554BRH Melody in Motion Musical Clock has you covered. This gorgeous clock has 22 Swarovski crystals, a light sensor, and 3 sets of classic melodies (24 melodies in total).
This clock has a button that lets you test its main functions. Its face opens and rotates on the hour. The above video shows it in action.