
'Memento mori' watch in the form of a skull, known as the 'Mary Queen of Scots' watch.
1780-1850
1780-1850
1830
1775-1785
1640
1625
1640
1812
1700-1725
1690
1700-1725
1785-1795
1630
1640
1625
1630
1800
1630
1630
1650
1650
1625
1610
1630
1680
1680
1800
1675
1670
1805-1815
1670
1660
1680-1690
1702
1739
1672
1710
1750-1799
1790
1807
1767
1690
1610
1700-1710
1630
1650
1650
1650
1625
1630-85
1685