The Seiko 5P31-5D00 is a watch model based on the 5P31 movement.
Parts List
| SAAW26JM | crystal |
| SAAW26JM01 | crystal |
| 35M82NA1 | crown - crown |
| 0A2500N01 | case back gasket - rotating bezel gasket |
| 0A2500N | case back gasket |
| B1562C | band - metal band |
| B1562G | band - metal band |
| B1562G-BK5G | clasp - clasp |
| B1562C-BK5S | clasp - clasp |
| 0351670 | others - winding stem |
| 81180229 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 5P315D00 | others - case back |
| 5P315D0075 | others - case |
| 5P315D00SA | others - case |
| 5P315E20XG19 | others - dial |
| 5P315E20XN19 | others - dial |
| 5P319 | others - machine code |
| 82810500 | others - case ring |
| 13SC04A2 | others - second hand |
| 09TC4NGM | others - minute hand |
| 0Z0060B01 | others - crown and stem gasket |
| 08TE4NAH | others - hour hand |
| SAAW26JM | crystal |
| SAAW26JM01 | crystal |
| 35M82NA1 | crown - crown |
| 0A2500N01 | case back gasket - rotating bezel gasket |
| 0A2500N | case back gasket |
| B1562C | band - metal band |
| B1562G | band - metal band |
| B1562G-BK5G | clasp - clasp |
| B1562C-BK5S | clasp - clasp |
| 0351670 | others - winding stem |
| 81180229 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 5P315D00 | others - case back |
| 5P315D0075 | others - case |
| 5P315D00SA | others - case |
| 5P315E20XG19 | others - dial |
| 5P315E20XN19 | others - dial |
| 5P319 | others - machine code |
| 82810500 | others - case ring |
| 13SC04A2 | others - second hand |
| 09TC4NGM | others - minute hand |
| 0Z0060B01 | others - crown and stem gasket |
| 08TE4NAH | others - hour hand |