The Seiko 5P30-5420 is a watch model based on the 5P30 movement.
Parts List
| SA4W83HM02 | crystal |
| 35M39NA1 | crown |
| 0F230BAA3 | case back gasket - case back gasket |
| 0F225BAA1 | case back gasket - case back gasket |
| Z1393G | band - metal band |
| Z1394G | band - metal band |
| Z1394G-BK5G | clasp - clasp |
| Z1393G-BK5G | clasp - clasp |
| 1BE055LABDG | others - hour hand |
| 08T01DGM | others - minute hand |
| 5P305420 | others - case back |
| 5P30542075 | others - case |
| 5P305670XB14 | others - dial |
| 5P305670XG14 | others - dial |
| 5P305670XL14 | others - dial |
| 82812570 | others - case ring |
| A160BS | others - push pin |
| EB0055B01 | others - crown and stem gasket |
| 2BE085LABDG | others - minute hand |
| 08T01DGH | others - hour hand |