Copy The Nelson Ball Clock was designed by George Nelson in the 1950's. The Ball Clock is one of the most recognised clocks in modern day history and provides a bright alternative to the less-than-exciting standard timepieces. The Ball Clock is widely considered to be one of George Nelson's most beloved design creations. This clock is one of the signature pieces in George Nelson clock collection. This mid-century modern wall clock is an icon of modern design. This clock is battery powered with 1 AA battery and has a quartz driven mechanism. The highly decorative George Nelson clock collection is perfect for any interior space including the home or the office. These modern wall clocks have an attractive sculptural shape, and they are a refreshing alternative to the usual traditional timekeepers.