Columbus Production Dates
to date your watch use the serial number of the movement!
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1874 1875 1876 1877 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901
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1 1,000 3,000 6,000 12,000 15,000 18,000 21,000 25,000 30,000 40,000 53,000 75,000 97,000 119,000 141,000 163,000 185,000 207,000 229,000 251,000 273,000 295,000 317,000 339,000 361,000 383,000
Special Block of Serial No.s 1894 - 500,001 1896 - 501,500 1898 - 503,000 1900 - 504,500
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