The Seiko 5P31-6040 is a watch model based on the 5P31 movement.
Parts List
| 265W17HN01 | crystal |
| 30M17NA1 | crown |
| 0F260BAA3 | case back gasket - case back gasket |
| 86581630 | crystal gasket |
| 86561410 | bezel gasket |
| 86205255 | band - other |
| LL16A | band - leather band |
| 3AA125F1ANG | others - second hand |
| 3AA125F3ANG | others - second hand |
| EB0055B01 | others - crown and stem gasket |
| 0351671 | others - winding stem |
| 10T11DCH | others - hour hand |
| 82733090 | others - case ring |
| 5P3160405M | others - case |
| 5P316040XG14 | others - dial |
| 82332716 | others - bezel |
| A180BS | others - push pin |
| 10T11DCM | others - minute hand |
| 1BB075A1BNG | others - hour hand |
| 11SC17T1 | others - second hand |