The Seiko 5Y66-0AT0 is a watch model based on the 5Y66 movement.
Parts List
| 260A25JN02 | crystal - crystal (inorganic) |
| 8M40AVSNW1 | crown - crown (3h) |
| 0F250BA1S | case back gasket - case back gasket |
| EA1P1JM | band - metal band |
| EA1P1RM | band - metal band |
| 0351892 | others - winding stem |
| AC006BAD1 | others - crown and stem gasket |
| 81190075 | others - bracelet fixing pipe |
| 81607579 | others - bracelet fixing pin |
| 5Y660AT001C | others - case |
| 5Y660BB4XB13 | others - dial |
| 5Y660BB4XS1Z | others - dial |
| 5Y660BB4XZ13 | others - dial |
| 5Y661 | others - machine code |