The Seiko 5P31-6090 is a watch model based on the 5P31 movement.
Parts List
| 270P05SN02 | crystal - crystal |
| 270W81SN01 | crystal - crystal |
| 35MJ5NA1 | crown |
| 0F220BAA3 | case back gasket - case back gasket |
| 86582550 | crystal gasket |
| 86583710 | bezel gasket - plastic gasket for bezel |
| YK29B | band - leather band |
| YK28B | band - band |
| 1BD080AABAA | others - hour hand |
| 2BD110ACBAA | others - minute hand |
| 3AA125F1ANG | others - second hand |
| 11SC43T1 | others - second hand |
| 11T09AGH | others - hour hand |
| 11T09AGM | others - minute hand |
| 82733090 | others - case ring |
| EB0055B01 | others - crown and stem gasket |
| 0351671 | others - winding stem |
| 5P3160907C | others - case |
| 82340091 | others - bezel |
| 5P316090 | others - case back |
| 5P3160907R | others - case |
| 5P316090XS14 | others - dial |
| 5P3161 | others - machine code |
| 5P316100XG14 | others - dial |
| 5P316320XS14 | others - dial |
| A170BS | others - push pin |
| 11T05AGH | others - hour hand |
| 11T05AGM | others - minute hand |