Follow the development of time measurement and technical and scientific innovation in timekeeping from the 16th to the 21st centuries.
Time Measurement
1592
1970-1976
1651-1750
1501-1600
1900-1938
1922-1939
1830-1840
1703-1726
1702
hallmarked 1830
1759
1639-1713
1797-1825
1870-1890
1975-1976
1701-1800
1713-1750
c. 1800
1685-1695
1930-1940
1845-1847
1997
1808
1970-1989 (estimated)
1701-1732
1824
1826-1860
1697-1724
1730-1750
1740-1780
1937
1947