Chelsea Clock Co. Ball Regulator Clock. Serial number 163563 on the Chelsea signed movement and on the case dates the clock to 12/24/24. The oak case with fine original finish is 20” across the bezel and 45” tall. The original 14” painted dial is in fine condition with only minor touchup at the center. The dial is signed Ball Watch Co., Cleveland and Chelsea Clock Co., Boston, USA. The movement has been serviced. The clock is a very fine timekeeper.