The Seiko 5Y66-0AS0 is a watch model based on the 5Y66 movement.
Parts List
| 340AA2JN02 | crystal - crystal (inorganic) |
| 8K55BXSNW1 | crown - crown (3h) |
| 8K55BXSNZ1 | crown - crown (3h) |
| 0F300BAD2 | case back gasket - case back gasket |
| FA0F1JM | band - metal band |
| FA0G1JL | band - leather band |
| FA0G2PL | band - leather band |
| S190BS | others - push pin |
| AD006BAD1 | others - crown and stem gasket |
| 0351892 | others - winding stem |