
Early balance spring watch by Thomas Tompion
1675-1679
1675-1679
1663
1665-1670
1673
1660-1665
1660-1665
1660-1665
1660-1665
1663
1640
1650
1650
1640
1640
1680
1680
1680
1675
1670
1670
1660
1640-1662
1672
1660
1680
1668-1672 Probable
1670
2000-100 BCE
1990-96
1667
1666
1640
1660-1665
1650-1665
1658
1658
1650
1658
1665-1670
1650
1650
1670-1680
1680
1670
1671
1650
1660
1675
1665-1666
1650-1660