The Seiko Y563-504A is a watch model based on the Y563 movement.
Parts List
| BA1W42GN00 | crystal |
| 35M68NS1 | crown - crown |
| FH2981B01 | case back gasket - case back gasket |
| 86177191 | crystal gasket |
| GA70A | band - metal band |
| 0354576 | others - setting/winding stem |
| A180CS | others - push pin |
| DB0060B01 | others - crown and stem gasket |