The Seiko Y513-8220 is a watch model based on the Y513 movement.
Parts List
| 310T48ANS0 | crystal - crystal |
| 310T48ANG0 | crystal - crystal |
| 40M58NA1 | crown - crown |
| 40M58NS1 | crown - crown |
| FH2980B01 | case back gasket - case back gasket |
| DJ0060B01 | others - crown gasket |