The Seiko 5P30-621J is a watch model based on the 5P30 movement.
Parts List
| 270A02JN02 | crystal |
| 270N31JN00 | crystal |
| 32M25NA1 | crown - crown |
| 0H2650B01 | case back gasket |
| LK41D | band - band |
| LK55D | band - band |
| 1BC080A1BNG | others - hour hand |
| 11T05NGH | others - hour hand |
| 11T05DGM | others - minute hand |
| 2BC110A1BDG | others - minute hand |
| 0351671 | others - winding stem |
| 82732490 | others - case ring |
| EB0055B01 | others - crown and stem gasket |
| 5P30621J25 | others - case |
| 5P30621J25X | others - case |
| 5P306320XB19 | others - dial |
| A140BS | others - push pin |