
Early balance spring watch by Thomas Tompion
1675-1679
1675-1679
1763
1963
1867-1868
1853
1801-1900
1625
1821
1897
2010
1568-1590
1855-1860
1955
1940
1843-1875
1800
1658
circa 1995
1784
1803-1847
2013
1860-1866
1501-1599
1755-1765
1675-1700
1640
1875-1885
1965
1750-1900
1873
1901-1902
1901-1902
1902
1909
1701-1750
1853
1902
1823
1903
1864
1967
1953
1951
circa 1925