
Gold lever escapement watch by John Leroux
1785
1785
1782
1778
1784
1784
1780
2000-100 BCE
1778
1777-1785
1783
1785
1785
1785
circa 1780
1785
1990-96
1705-1737
1778-1780
1784
1785
1780
4000-2001 BCE
1784
1783
1784
1784
1783
1785
1780
1772 (original); 1919 (model)
1610; 1923
1642-1649 (original); 1883 (model)
1668; 1924
1936
2050-1750 BCE
1990-95
300 BCE; 1905-1915
1845-1964
1784
1782
1782
2000-100 BCE
1780
1730; 1967
1783-1784
1778
circa 3000 BCE
2000 BCE
1783
1783