Chelsea Regulator No. 3. Serial number 25996 dates the clock to 1907. The 37" tall dark oak case retains the original finish. The original dial is signed Chelsea Clock Co.,Boston. The silvered beat scale is engraved with Roman numerals and three C's for Chelsea Clock Company. The movement has a dead beat escapement and maintaining power. A very fine example of a Chelsea regulator that is rarely seen. The clock has been serviced and is keeping excellent time.