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| Elgin National Watch Company Production Dates by Serial Number |
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| 1867 - 9,000 |
1885 - 1,855,001 |
1903 - 10,000,000 |
1921 - 24,321,001 |
1939 - 38,200,000 |
| 1868 - 25,001 |
1886 - 2,000,000 |
1904 - 11,000,000 |
1922 - 25,100,000 |
1940 - 39,100,000 |
| 1869 - 40,001 |
1887 - 2,500,000 |
1905 - 12,000,000 |
1923 - 26,050,000 |
1941 - 40,200,000 |
| 1870 - 50,001 |
1888 - 3,000,000 |
1906 - 12,500,000 |
1924 - 27,000,000 |
1942 - 41,100,000 |
| 1871 - 185,001 |
1889 - 3,500,000 |
1907 - 13,000,000 |
1925 - 28,421,001 |
1943 - 42,200,000 |
| 1872 - 201,001 |
1890 - 4,000,000 |
1908 - 13,500,000 |
1926 - 29,100,000 |
1944 - 42,600,000 |
| 1873 - 325,000 |
1891 - 4,449,001 |
1909 - 14,000,000 |
1927 - 30,050,000 |
1945 - 43,200,000 |
| 1874 - 400,001 |
1892 - 4,600,000 |
1910 - 15,000,000 |
1928 - 31,599,001 |
1946 - 44,000,000 |
| 1875 - 430,000 |
1893 - 5,000,000 |
1911 - 16,000,000 |
1929 - 32,000,000 |
1947 - 45,000,000 |
| 1876 - 480,000 |
1894 - 5,500,000 |
1912 - 17,000,000 |
1930 - 32,599,001 |
1948 - 46,000,000 |
| 1877 - 520,000 |
1895 - 6,000,000 |
1913 - 17,339,001 |
1931 - 33,000,000 |
1949 - 47,000,000 |
| 1878 - 570,000 |
1896 - 6,500,000 |
1914 - 18,000,000 |
1932 - 33,700,000 |
1950 - 48,000,000 |
| 1879 - 625,001 |
1897 - 7,000,000 |
1915 - 18,587,001 |
1933 - 34,558,001 |
1951 - 50,000,000 |
| 1880 - 750,000 |
1898 - 7,494,000 |
1916 - 19,000,000 |
1934 - 35,000,000 |
1952 - 52,000,000 |
| 1881 - 900,000 |
1899 - 8,000,000 |
1917 - 20,031,001 |
1935 - 35,650,000 |
1953 - 53,500,000 |
| 1882 - 1,000,000 |
1900 - 9,000,000 |
1918 - 21,000,000 |
1936 - 36,200,000 |
1954 - 54,000,000 |
| 1883 - 1,250,000 |
1901 - 9,300,000 |
1919 - 22,000,000 |
1937 - 36,978,001 |
1955 - 54,500,000 |
| 1884 - 1,500,000 |
1902 - 9,600,000 |
1920 - 23,000,000 |
1938 - 37,900,000 |
1956 - 55,000,000 |
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