The Seiko 5P31-6A00 is a watch model based on the 5P31 movement.
Parts List
| 250W10HK01 | crystal - crystal |
| 35MF8NS1 | crown |
| 35MF8NA1 | crown - crown |
| 0A2400N01 | case back gasket - case back gasket |
| 86574720 | bezel gasket |
| AA54B | band - band |
| AA55B | band - band |
| 11T40DSH | others - hour hand |
| 11T40DSM | others - minute hand |
| 82801940 | others - case ring |
| 5P316A0075 | others - case |
| 5P316A007E | others - case |
| 5P316A00XG14 | others - dial |
| 5P316A10X999 | others - dial |
| 5P319 | others - machine code |
| A160BS | others - push pin |
| 0351670 | others - winding stem |
| 13SC04A2 | others - second hand |
| 13SC04ES | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 11T40DGH | others - hour hand |
| 11T40DGM | others - minute hand |