The Seiko 5Y30-5B30 is a watch model based on the 5Y30 movement.
Parts List
| BA5N19JV01 | crystal |
| 30N97NN1 | crown |
| DZ0065B01 | case back gasket - button gasket |
| 0H2600B01 | case back gasket - case back gasket |
| B1576G | band |
| B1576G-BK3G | clasp - clasp |
| A120BS | others - push pin (for lb) |
| 5Y305B30 | others - case back |
| 5Y305B3025 | others - case |
| 5Y305D30X994 | others - dial |
| 5Y305D30XB14 | others - dial |
| 5Y305D30XG14 | others - dial |
| 82820890 | others - case ring |
| 08T17DGM | others - minute hand |
| 08T17DGH | others - hour hand |