
Early balance spring watch by Thomas Tompion
1675-1679
1675-1679
1668; 1924
1673
1668-1672 Probable
1680
1680
1680
1675
1670
1672
1670
1680
2000-100 BCE
1670
1990-96
1667
1666
1670-1680
1680
1671
1675
1675
1666-1680
1670
1666
4000-2001 BCE
1610; 1923
1936
1990-95
1642-1649 (original); 1883 (model)
300 BCE; 1905-1915
1960-1979
6000-5000BCE
1678
1674-1679
1679
1673
1672
1700-1600 BCE
circa 1700-1600 BCE
circa 1700-1600 BCE
circa 1700-1600 BCE
1700-1600 BCE
circa 1700-1600 BCE
circa 1700-1600 BCE
circa 1700-1600 BCE
circa 1700-1600 BCE
circa 3000 BCE
circa 3000 BCE
circa 1700-1600 BCE