The Seiko 5P30-5A90 is a watch model based on the 5P30 movement.
Parts List
| BA2N36JN01 | crystal |
| 30MA6NA1 | crown - crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0H2600N01 | case back gasket - case back gasket |
| B1443G | band - metal band |
| B1443G-BK3G | clasp - clasp |
| 08T02NGH | others - hour hand |
| 5P305A9025 | others - case |
| 5P305B20XG14 | others - dial |
| 5P309 | others - machine code |
| 82801700 | others - case ring |
| B1443G-EP2 | others - endpiece |
| 0351670 | others - winding stem |
| 2BA090A0BNG | others - minute hand |
| 09T18NGM | others - minute hand |