The Seiko 5Y30-5D59 is a watch model based on the 5Y30 movement.
Parts List
| SAEN57JN00 | crystal |
| SAEN57JN | crystal |
| 30N39NN1 | crown |
| 30N39NA1 | crown |
| 0H2800B01 | case back gasket - rotating bezel gasket |
| 0H2800B0 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| 08T01DGM | others - minute hand |
| 0351671 | others - winding stem |
| 08T01DGH | others - hour hand |