The Seiko 2P20-5390 is a watch model based on the 2P20 movement.
Parts List
| REGN31JV01 | crystal - crystal |
| 30N63NA1 | crown - crown |
| AC004BA11 | case back gasket - crown and stem gasket |
| 0H2450B01 | case back gasket |
| LK36C | band - band |
| LK35C | band - band |
| 07Y29DGH | others - hour hand |
| 07Y29DGM | others - minute hand |
| 07Y29ZGH | others - hour hand |
| 07Y29ZGM | others - minute hand |
| 2CE075LABDG | others - minute hand |
| 0351236 | others - winding stem |
| 2P2053902N | others - case |
| 82803210 | others - case ring |
| 2P200800XB14 | others - dial |
| 2P200800XS14 | others - dial |
| A170BS | others - push pin |
| 1CE050LABDG | others - hour hand |
Caliber 2P20
