The Seiko 5Y30-5J99 is a watch model based on the 5Y30 movement.
Parts List
| BA6N03JM01 | crystal |
| BA6N03JM | crystal |
| 30NA7NN1 | crown |
| 0H2600B01 | case back gasket - case back gasket |
| 0H2600B0 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| 09T09DCM | others - minute hand |
| 1BA065A1BNG | others - hour hand |
| 2BA095A1BDG | others - minute hand |
| 09T09DCH | others - hour hand |
| 0351671 | others - winding stem |
| 5Y305J99 | others - case back |
| 5Y305J9929 | others - case |
| 5Y305K11XN14 | others - dial |
| 5Y3061 | others - machine code |
| 82841290 | others - case ring |
| B090BS | others - push pin |