Follow the development of time measurement and technical and scientific innovation in timekeeping from the 16th to the 21st centuries.
Time Measurement
1642-1649 (original); 1883 (model)
1675-1679
1392
600 BCE
401-600
1598-1603
1675-1700
1630-1653
1955-1965
1895-1905
1955
1787-1799
1708
1660-1665
1909
1840-1880
1915
1715
1705-1737
1657-1659
1690-1710
1607-1653
1719-1791
hallmarked 1788
1751-1850
1588
1750-1800
1843-1897
1931; 750-850 CE
1831-1870
1988
1795-1810
1999
1934