The Seiko 5Y30-5B7A is a watch model based on the 5Y30 movement.
Parts List
| SAHN01HU | crystal |
| SAHN01HU02 | crystal |
| 30N77NA1 | crown |
| 0F225NA1 | case back gasket |
| 0F225NA11 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| BRZ14G-LB | band - leather without buckle |
| BRZ14G | band - leather band |
| BRZ14G-BK7G | clasp - clasp |
| 1BE055LABDG | others - hour hand |
| 08T01DGM | others - minute hand |
| 5Y305B70 | others - case back |
| 5Y305B7A25 | others - case |
| 5Y305D70XN14 | others - dial |
| 82821170 | others - case ring |
| A200BS | others - push pin |
| 08T01DGH | others - hour hand |
| 2BE085LABDG | others - minute hand |