| 1858 - 2000 |
1868 - 65,000 |
1878 - 260,000 |
1888 - 530,000 |
1898 - 775,000 |
| 1859 - 2500 |
1869 - 70,000 |
1879 - 280,000 |
1889 - 570,000 |
1899 - 800,000 |
| 1860 - 3000 |
1870 - 73,000 |
1880 - 300,000 |
1890 - 600,000 |
1900 - 812,000 |
| 1861 - 30,000 |
1871 - 77,000 |
1881 - 325,000 |
1891 - 620,000 |
1901 - 825,000 |
| 1862 - 35,000 |
1872 - 100,000 |
1882 - 350,000 |
1892 - 640,000 |
1902 - 840,000 |
| 1863 - 40,000 |
1873 - 130,000 |
1883 - 374,000 |
1893 - 660,000 |
1903 - 854,000 |
| 1864 - 45,000 |
1874 - 175,000 |
1884 - 400,000 |
1894 - 680,000 |
|
| 1865 - 50,000 |
1875 - 200,000 |
1885 - 430,000 |
1895 - 700,000 |
|
| 1866 - 55,000 |
1876 - 220,000 |
1886 - 475,000 |
1896 - 725,000 |
|
| 1867 - 60,000 |
1877 - 240,000 |
1887 - 500,000 |
1897 - 750,000 |
|
|
| The E. Howard Watch Company name was purchased by the Keystone Watch Case Company in 1902 who continued to sell watches through 1930 represented by the serial numbers below. |
| |
| 1902 - 850,000 |
1903 - 900,000 |
1909 - 980,000 |
1912 - 1,100,000 |
1915 - 1,285,000 |
| 1917 - 1,340,000 |
1921 - 1,400,000 |
1930 - 1,500,000 |
|
|
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