
Harwood self-winding wrist-watch of about 1930
circa 1930
circa 1930
1930-1940
1932-1936
1934-1935
1943
1937-1938
1934
1930
1938
1938
1938
1938
circa 1930
1940
1938-1940
1935
1940
1936
1934
1937-1937
1938
1938
1932
1955; 1830
1937-1938
1935
circa 1930
1930-1940
1943
1931
1935
1937
1931
1931
1938
1942
1936
1937
circa 1942
1933
1929-1935
1933
circa 1938
2000-100 BCE
1932-1942
1942
1930-1931
1935
Before 1932
1942