
Spring-detent escapement watch with gold case by John Arnold and Son
1796
1796
2000-100 BCE
1772 (original); 1919 (model)
1990-96
1705-1737
4000-2001 BCE
1936
300 BCE; 1905-1915
1850-1899
1774; 1923
1642-1649 (original); 1883 (model)
2000-100 BCE
1730; 1967
3000-2500 BCE
1796
circa 3000 BCE
2000 BCE
1796
1796
1796
1796
circa 1830
1676; 1840-1865
1796
1796
1796
1796
1796
1796
1796
1877 (copy); 1700-1731 (original)
2000-500 BCE
2000-500 BCE
8500-2000 BCE
2000-500 BCE
1991-1786 BCE
1991-1786 BCE
2000-500 BCE
1501-1600; 1978
1800-1600
30 CE
30 CE
2686-2613 BCE
1888-185
1945-50
1796
20-400
1900-1933
1976; 1776
400 BCE-100 CE; 1900-1936