The Seiko 5Y31-6000 is a watch model based on the 5Y31 movement.
Parts List
| 280WC0JM01 | crystal |
| 280WC0JM | crystal |
| 35MA8NA1 | crown |
| 0A2500N01 | case back gasket - rotating bezel gasket |
| BNA50G | band - leather band |
| BNA51G | band - leather band |
| BNJ60G | band - leather band |
| BNJ61G | band - leather band |
| BNJ62G | band - leather band |
| BNJ59G | band |
| BNA49G | band |
| BNA52G | band |
| 12T02N1M | others - minute hand |
| 0351670 | others - winding stem |
| 82803260 | others - case ring |
| 5Y316000 | others - case back |
| 5Y31600075 | others - case |
| 5Y316000XB14 | others - dial |
| 5Y316000XG14 | others - dial |
| 5Y316010XB14 | others - dial |
| 5Y316010XG14 | others - dial |
| 5Y316020XG14 | others - dial |
| 5Y316030XB14 | others - dial |
| 5Y316030XG14 | others - dial |
| 5Y316040X994 | others - dial |
| 5Y316050XG14 | others - dial |
| 5Y319 | others - machine code |
| A170BS | others - push pin |
| 13SC04A2 | others - second hand |
| 10T44DAM | others - minute hand |
| 0Z0060B01 | others - crown and stem gasket |
| 11T30DAM | others - minute hand |
| 10T44DAH | others - hour hand |
| 09T38DAM | others - minute hand |
| 09T32DAH | others - hour hand |
| 12T02N1H | others - hour hand |
| 11T30DAH | others - hour hand |