Tissot watches age determination by movement number

1 – 3,056

1853 – 1856

3,057 – 19,904

1857 – 1870

19,905 – 36,187

1871 – 1875

36,188 – 51,101

1876 – 1880

51,102 – 79,299

1881 – 1885

79,300 – 96,836

1886 – 1890

96,837 – 100,200

1891 – 1896

100,201 – 109,600

1897 – 1906

109,601 – 51,325

1907 – 1910

51,326 – 58,206

1911 – 1912

58,207 – 83,778

1913 – 1916

83,779 – 112,866

1917 – 1918

112,867 – 139,446

1919 – 1920

139,447 – 201,644

1921 – 1922

201,645 – 250,622

1923 – 1924

250,623 – 290,984

1925 – 1926

290,985 – 365,000

1927 – 1928

365,001 – 434,500

1929 – 1930

434,501 – 465,400

1931 – 1933

465,401 – 511,700

1934 – 1936

511,701 – 727,500

1937 – 1939

727,501 – 1,052,800

1940

1,052,801 – 1,128,616

1941

1,128,617 – 1,188,976

1942

1,188,977 – 1,324,418

1943

1,324,419 – 1,450,276

1944

1,450,277 – 1,549,720

1945

1,549,721 – 1,675,720

1946

1,675,721 – 1,746,530

1947

1,746,531 – 1,940,110

1948

1,940,111 – 2,140,000

1949

2,140,001 – 2,293,210

1950

2,293,211 – 2,432,999

1951

2,433,000 – 2,621,999

1952

2,622,000 – 2,810,999

1953

2,811,000 – 3,118,999

1954

3,119,000 – 3,289,999

1955

3,290,000 – 3,476,999

1956

3,477,000 – 3,713,999

1957

3,714,000 – 3,999,999

1958

4,000,000 – 4,334,999

1959

4,335,000 – 4,559,999

1960

4,560,000 – 4,867,999

1961

4,868,000 – 5,197,999

1962

5,198,000 – 5,932,999

1963

5,933,000 – 6,498,999

1964

6,499,000 – 7,039,999

1965

7,040,000 – 8,280,999

1966

8,281,000 – 8,864,999

1967

8,865,000 – 9,910,999

1968

9,911,000 – 10,492,999

1969

10,493,000 – 11,594,999

1970

11,595,000 – 13,046,119

1971

13,046,120 – 13,996,999

1972

13,997,000 – 16,173,999

1973

16,174,000 – 16,811,999

1974

16,812,000 – 18,902,999

1975

18,903,000 – 19,397,999

1976

19,398,000 – 20,030,999

1977

20,031 – 21,093

1978

21,094 – 21,515

1979

21,516 – 22,097

1980

22,098 – 22,857

1981

22,858 – 23,238

1982

23,239 – 23,905

1983