
Early balance spring watch by Thomas Tompion
1675-1679
1675-1679
2000-100 BCE
1670
1673
1680
1680
1680
1675
1670
1670
1672
1670
4000-2001 BCE
1670-1680
1680
1671
1675
1675
1642-1649 (original); 1883 (model)
1936
1990-95
1610; 1923
1668; 1924
1960-1979
30 CE
1680
1674
1677
30 CE
2686-2613 BCE
1888-185
1945-50
2000-1350
1701-800
2000-1350
2000-1350
2000-1350
2000-1350
2000-1350
30-200
2000-1350
20-500
2000-1350
2000-1350
20-500
1678
1672
1675
1940-1050
2000-1000