Early balance spring watch by Thomas Tompion
1675-1679
1675-1679
1700-1936
1705-1737
1675-1700
1904
1853
1853
1953
1875-1885
1790-1810
1900
1701-1800
1850-1899
1850-1862; hallmarked 1862
1574-1600
1770-1794
1601-1700
1730-1750
1690-1700.
1850-1860
1773
1730-1748
1810-1880
1895-1905
1768
1705-1715
1645-1655
1625-1635
1685-1695
1810-1840
hallmarked 1843
1800-1834
1805-1846
1795-1805
1890
hallmarked 1860; 1850-1890
1805-1820
hallmarked 1830
1800-1840
1795-1805
1690-1710
1910
1850-1965