I have not taken it apart to document any further information. To play one moves the metal button-like to the right and return, use the winding key underneath to wind the music mechanism. Measures 9 1/4" x 8 1/4" x 2 3/4.
A fine Holiday Gift to be treasured for years. The item "SWISS REUGE MUSIC BOX PLAYS 4 SONGS WITH 52 KEYS SILENT NIGHT ADESTE FIDELES" is in sale since Thursday, October 25, 2018.This item is in the category "Collectibles\Decorative Collectibles\Music Boxes\1970-Now". The seller is "yesterdaysnews" and is located in Placentia, California. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica.