The Seiko 5P31-5A80 is a watch model based on the 5P31 movement.
Parts List
| ESGN32JH01 | crystal |
| 30MA6NA1 | crown - crown |
| 0H2520N01 | case back gasket - case back gasket |
| 0G0055B01 | case back gasket - crown and stem gasket |
| SS03A | band - metal band |
| 08T48DGH | others - hour hand |
| 0351670 | others - winding stem |
| 5P315A802N | others - case |
| 5P315B00XN14 | others - dial |
| 5P319 | others - machine code |
| 82802600 | others - case ring |
| A160BS | others - push pin |
| 08T48DGM | others - minute hand |
| 13SC04A2 | others - second hand |