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Spring-detent escapement watch with gold case by John Arnold and Son
1796
1796
1816
1802
1830
1802
1795
1776
1791
1794
1840
1807
1800
1801-1900
1787
1790
1870-1877
1786
1790
1812
1851
1788
1815
1903
1775
1771
1823
1795
1787
1805
1775
1791
1821
1873
1850
1780-1799
1796-1799
1800
1794
1780
1816
1813
1815
1810
1883
1830
1840
1850
1781-1800