Chelsea Clock Co. Serial Numbers

 
YEAR
STARTING SERIAL #
ENDING SERIAL #
				 
1897-1899
1
3,937
1900-1904
3,938
16,459
1905-1909
16,460
59,641
1910-1914
59,642
97,528
1915-1919
97,529
136,237
1920-1924
136,238
159,719
1925-1929
159,720
194,237
1930-1934
194,238
213,894
1935-1939
213,895
256,235
1940-1944
256,236
472,765
1945-1949
472,766
559,240
1950-1954
559,241
598,659
1955-1959
598,660
638,906
1960-1964
638,907
673,459
1965-1969
673,460
743,137
1970-1974
743,138
786,288
1975-1979
786,289
827,760
1980-1984
827,761
857,063
1985-1989
857,064
868,171
1990-
868,172

Serial numbers are generally located on the movement of the timepiece.  Serial numbers are approximate.