The Seiko 5P30-5C90 is a watch model based on the 5P30 movement.
Parts List
| RE4N10JM01 | crystal |
| 30MA6NA1 | crown - crown |
| 0H2520N01 | case back gasket - case back gasket |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0H2520N | case back gasket |
| Z1355G | band - metal band |
| Z1355G-BK5G | clasp - clasp |
| 5P305C90 | others - case back |
| 5P305C9025 | others - case |
| 5P305D60XY14 | others - dial |
| 5P309 | others - machine code |
| 82802600 | others - case ring |
| A180BS | others - push pin |
| 0351670 | others - winding stem |
| 09T32DGM | others - minute hand |
| 09T32DGH | others - hour hand |