
'Memento mori' watch in the form of a skull, known as the 'Mary Queen of Scots' watch.
1780-1850
1780-1850
1829
1853-1857
1846
1829
1850
1781-1790
1777-1785
1831
1815-1825
1858
1858
1849
1791
1795
1801-1830
1847-1848
1775
1830 (original); 1967 (model)
1821
1771-1830
1775
1842
1853
1793-1803
1849
1846-1859
1854
1853
1837
1794
1837
1852
1834-1844
1837
1860
1821-1831
1955; 1830
1842
1830-1850
1846
1848
1858
1850
circa 1860
1835
1847
1845-1855
1832
1845