
Early balance spring watch by Thomas Tompion
1675-1679
1675-1679
1681
1685
1663
1668-1672 Probable
1673
1660-1665
1660-1665
1660-1665
1660-1665
1663
1675-1685
1680
1675-1685
1680
1680
1675
1670
1670
1660
1672
1675-1685
1660
1670
2000-100 BCE
1685
1670
1666
1666-1680
1667
1666
1660-1665
1665-1670
1670-1680
1680
1671
1660
1675
1675-1685
1675
1665-1666
1680-1685
1660
4000-2001 BCE
1668; 1924
1990-95
1610; 1923
1642-1649 (original); 1883 (model)
1936
1665-1675