The Seiko 5Y30-5A50 is a watch model based on the 5Y30 movement.
Parts List
| BA5N09JN01 | crystal |
| BA5N09JN | crystal |
| 30N77NN1 | crown |
| DZ0065B01 | case back gasket - button gasket |
| 0H2600B01 | case back gasket - case back gasket |
| 0H2600B0 | case back gasket |
| B1571G | band |
| B1571G-BK5G | clasp - clasp |
| 1BA060A1BNG | others - hour hand |
| 08T01DGM | others - minute hand |
| 0351671 | others - winding stem |
| 5Y305A50 | others - case back |
| 5Y305A5025 | others - case |
| 5Y305B40XG14 | others - dial |
| 5Y305B50XS14 | others - dial |
| 5Y305B60XG14 | others - dial |
| 5Y305B70XS14 | others - dial |
| 82820330 | others - case ring |
| A150BS | others - push pin |
| 09T13NGH | others - hour hand |
| 09T13NGM | others - minute hand |
| 08T01DGH | others - hour hand |
| 2BA090A1BNG | others - minute hand |