
Form watch by Benjamin Hill
1650
1650
1610; 1923
1630-1642
1625
1640
1640
1625
1630
1642-1649 (original); 1883 (model)
1610
1632-1640
1630-1653
1636
1623
1630
1640
1625
1630
1630
1630
1650
1625
1630
1630
1630
1610
2000-100 BCE
1636
1607-1618
1630
1650
1650
1650
1625
1640
1990-96
1607-1653
1640
1650
1622-1628
1650
1625-1635
1630
1625
4000-2001 BCE
1990-95
1642-1649
2800 BCE
circa 3000 BCE
2050-1750 BCE