
Spring-detent escapement watch with gold case by John Arnold and Son
1796
1796
2000-100 BCE
1705-1737
4000-2001 BCE
1668; 1924
1990-95
1642-1649 (original); 1883 (model)
1610; 1923
1936
circa 3000 BCE
2000 BCE
1796
100 BCE-300 CE; 1890-1920
1796
2000-1350
4000-30 BCE
10000-5000 BCE
10000-500 BCE
1972-3
2000-1000
1880-120
1800- 500 BCE
1300-1700; 1801-1900
15/7/27
1796
15/7/27
1840-160
circa 3000 BCE
3000 BCE
circa 3000 BCE
circa 3000 BCE
circa 3000 BCE
circa 3000 BCE
3000 BCE
circa 3000 BCE
circa 3000 BCE
2000-100 BCE
1796
1796
circa 1830
1676; 1840-1865
1796
1796
1796
1796
2000-500 BCE
2000-500 BCE
2000-500 BCE
1991-1786 BCE
1991-1786 BCE