Longines Serial Numbers
1870
20,000
1871
36,000
1872
52,000
1873
68,000
1874
84,000
1875
100,000
1876
121,425
1877
142,850
1878
164,275
1879
185,700
1880
207,125
1881
228,550
1882
250,000
1883
291,670
1884
333,340
1885
375,010
1886
416,680
1887
458,350
1888
500,000
1889
550,000
1890
600,000
1891
650,000
1892
700,000
1893
750,000
1894
791,100
1895
832,766
1896
874,432
1897
916,098
1898
957,764
1899
999,430
1900
1,124,715
1901
1,250,000
1902
2,083,333
1903
2,916,666
1904
1,500,000
1905
1,750,000
1906
1,850,000
1907
1,950,000
1908
2,100,000
1909
2,250,000
1910
2,375,000
1911
2,500,000
1912
2,750,000
1913
2,900,000
1914
3,075,000
1915
3,250,000
1916
3,375,000
1917
3,500,000
1918
3,625,000
1919
3,750,000
1920
3,815,217
1921
3,880,434
1922
3,945,651
1923
4,047,100
1924
4,148,549
1925
4,250,000
1926
4,500,000
1927
4,625,000
1928
4,750,000
1929
4,886,360
1930
4,959,088
1931
5,031,816
1932
5,104,544
1933
5,177,272
1934
5,250,000
1935
5,333,330
1936
5,416,660
1937
5,500,000
1938
5,750,000
1939
5,850,000
1940
5,950,000
1941
6,140,900
1942
6,331,800
1943
6,522,700
1944
6,713,600
1945
6,904,500
1946
7,106,750
1947
7,309,000
1948
7,511,250
1949
7,713,500
1950
7,915,750
1951
8,225,535
1952
8,535,320
1953
8,845,105
1954
9,183,125
1955
9,521,145
1956
9,859,165
1957
10,201,415
1958
10,543,665
1959
10,885,915
1960
11,211,988
1961
11,538,061
1962
11,864,134
1963
12,116,548
1964
12,368,962
1965
12,621,376
1966
12,873,790
1967
13,839,112
1968
14,834,158