Universal Geneve Serial Numbers

 
YEAR
STARTING SERIAL #
ENDING SERIAL #
1930-1936
500000
599999
1936-1938
600000
699999
1938-1941
700000
799999
1941-1942
800000
899999
1942-1943
900000
999999
1943-1945
1000000
1099999
1945-1946
1100000
1299999
1946-1949
1300000
1399999
1949-1951
1400000
1499999
1951-1952
1500000
1599999
1952-1955
1600000
1699999
1955-1956
1700000
1799999
1956-1957
1800000
1899999
1957-1959
1900000
1999999
1959-1960
2000000
2099999
1960-1961
2100000
2199999
1961-1962
2200000
2233999
1962-1963
2234000
2299999
1963-1965
2300000
2399999
1965-1966
2400000
2487072
1966-1967
2487073
2574942

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