Watch movement with mock pendulum
1725
1725
1700-1725
1640
1780-1850
1685
1625
1840
1879
1640
1660
1931
1690
1829
1982
1625
1970-1973
1814
1812
1795
1830
1896
1785-1795
1783-1800
1805
1630
2010
1800
circa 1808
1780
1985
1525-1550
1795
1820-1840
1897
1625
1675-1685
1630
1792
1791
1907
1601-1700
1675
1700-1710
1800
1794
1630
1670
1680
1630