The Seiko 5Y30-7A40 is a watch model based on the 5Y30 movement.
Parts List
| 275N13JM01 | crystal |
| 35MN3NN1 | crown - crown |
| 0H2600B01 | case back gasket - case back gasket |
| 0H2600B0 | case back gasket |
| BNA55D | band - leather band |
| ZNA13D | band - leather band |
| 82822950 | others - case ring |
| 5Y307A40 | others - case back |
| 5Y307A401B | others - case |
| 5Y307A40XS24 | others - dial |
| A170BS | others - push pin |
| EB0055B01 | others - crown and stem gasket |
| EB0055B0 | others - crown gasket |
| 2BA115A1BNG | others - minute hand |
| 11T03NGM | others - minute hand |
| 11T45DGH | others - hour hand |