The Seiko 5P31-5B00 is a watch model based on the 5P31 movement.
Parts List
| ES9W34HN01 | crystal |
| 35M82NA1 | crown - crown |
| 0A2400N01 | case back gasket - case back gasket |
| 0A2400NO | case back gasket |
| 86580380 | crystal gasket - plastic gasket for crystal |
| Z1345D | band - metal band |
| Z1345G | band - metal band |
| Z1346G | band - metal band |
| Z1346G-BK5G | clasp - clasp |
| Z1345G-BK5G | clasp - clasp |
| Z1345D-BK5G | clasp - clasp |
| 09T04N1H | others - hour hand |
| 5P315B00 | others - case back |
| 5P315B0075 | others - case |
| 5P315B20XG14 | others - dial |
| 5P315B30X994 | others - dial |
| 5P315B30XG14 | others - dial |
| 5P319 | others - machine code |
| 82803620 | others - case ring |
| A160BS | others - push pin |
| 0351670 | others - winding stem |
| 08T10DGH | others - hour hand |
| 08T10DGM | others - minute hand |
| 2BA090A0BNG | others - minute hand |
| 13SC04A2 | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 09T18NGM | others - minute hand |