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'Memento mori' watch in the form of a skull, known as the 'Mary Queen of Scots' watch.
1780-1850
1780-1850
1610
1710
1630
1790
1610
1650
1625
1660
1670
1739
1700-1725
1805-1815
1767
1625
1675
1700-1710
1800
1630
1670
1812
1680
1630
1680
1672
1750-1799
1785-1795
1640
1650
1690
1640
1630
1807
1702
1680-1690
1690
1800
1700-1725
1630
1640
1625
1600
1670
1630
1690
1622-1628
1675
1700
1650
1680-1685