| Model 1908 Hammerless .380 | |
| Year | Serial Number |
| 1908 | 1 |
| 1909 | 2300 |
| 1910 | 4350 |
| 1911 | 6900 |
| 1912 | 9500 |
| 1913 | 12700 |
| 1914 | 16500 |
| 1915 | 21000 |
| 1916 | 27500 |
| 1917 | 30900 |
| 1918 | 33000 |
| 1919 | 33500 |
| 1920 | 34000 |
| 1921 | 40000 |
| 1922 | 53000 |
| 1923 | 61000 |
| 1924 | 69500 |
| 1925 | 72000 |
| 1926 | 77500 |
| 1927 | 85000 |
| 1928 | 86000 |
| 1929 | 95000 |
| 1930 | 100000 |
| 1931 | 105000 |
| 1932 | 109000 |
| 1933 | 112000 |
| 1934 | 114000 |
| 1935 | 116000 |
| 1936 | 119000 |
| 1937 | 123000 |
| 1938 | 128000 |
| 1939 | 129000 |
| 1940 | 132000 |
| 1941 | 132500 |
| 1942 | 134000 |
| 1943 | 136500 |
| 1944 | 137000 |
| 1945 | 137800-138009 |