
Harwood self-winding wrist-watch of about 1930
circa 1930
circa 1930
1920-1925
1925
1922-1923
1922-1923
1922-1923
1922-1923
1934-1935
1920-1935
1934
1925-1935
1921-1930
1930
1927
circa 1930
1928
1921-1931
circa 1920
1920
1935
1920-1929
1934
1922
1932
1955; 1830
1935
1921
1925-1928
circa 1927
circa 1930
1924
1926
1931
1927
circa 1920
1935
1931
1931
1927
1925
1919
1928
1933
1928
1929-1935
1921-1926
1933
1920-1930
1925
2000-100 BCE