The Clock Clock
Swedish designers Humans since 1982 have created a digital clock made of 24 analog clocks, which spell out the time with their hands. (Pics) (Videos)
Clock Clock made of 24 individual clocks, features 48 electronically-controlled analog clock hands which automatically rotate into the proper positions to tell you times. By Humans Since 1982. This prototype will be on display at the Röhsska Design Museum in Göteborg from june till mid of august 2009.
See demonstrations of the Clock Clock on YouTube: