The Seiko 5P31-6B80 is a watch model based on the 5P31 movement.
Parts List
| 265W26SN01 | crystal |
| 45M88NH1 | crown |
| 0A2500B01 | case back gasket - case back gasket |
| YK34B | band - leather band |
| 0351670 | others - winding stem |
| 82803000 | others - case ring |
| 5P316B80 | others - case back |
| 5P316B80RE | others - case |
| 5P316D40X913 | others - dial |
| 5P316D40XS13 | others - dial |
| 5P316F80XS19 | others - dial |
| 5P319 | others - machine code |
| A160BS | others - push pin |
| 10TB4CKH | others - hour hand |
| 10TP0NBH | others - hour hand |
| 10TP0NBM | others - minute hand |
| 10TB4CKM | others - minute hand |
| 13SC04ES | others - second hand |
| 13SC04AB | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 10TB4CSH | others - hour hand |
| 10TB4CSM | others - minute hand |