The Seiko 5P30-6B90 is a watch model based on the 5P30 movement.
Parts List
| 255N08JM | crystal |
| 255N08JM01 | crystal |
| 30MA6NA1 | crown - crown |
| 0H2520N01 | case back gasket - case back gasket |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0G0055B0 | case back gasket |
| 0G2780N01 | case back gasket - case back gasket |
| G1320H-LKG | band - link |
| G1320H | band - metal band |
| G1320H-BK4G | clasp - clasp |
| 10T36DGH | others - hour hand |
| 10T36DGM | others - minute hand |
| 82803000 | others - case ring |
| 5P306B90 | others - case back |
| 5P306B90HE | others - case |
| 5P306C20XS14 | others - dial |
| 5P309 | others - machine code |
| 0351670 | others - winding stem |