The Seiko 5Y31-5160 is a watch model based on the 5Y31 movement.
Parts List
| SA6N52GN00 | crystal |
| SA6N52GN | crystal |
| 30MA6NA1 | crown - crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0H2600N01 | case back gasket - case back gasket |
| 0G0055B0 | case back gasket |
| ZQJ08G | band |
| ZQA17K | band - leather band |
| ZQJ37K | band - leather band |
| ZQJ38K | band - leather band |
| ZQZ11K | band - leather band |
| ZQA18G | band |
| 0351670 | others - winding stem |
| 5Y315160 | others - case back |
| 5Y31516025 | others - case |
| 5Y31516025A | others - case |
| 5Y315438XB14 | others - dial |
| 5Y315438XG14 | others - dial |
| 5Y315448XS19 | others - dial |
| 5Y315480XB14 | others - dial |
| 5Y315480XG14 | others - dial |
| 5Y315498XN14 | others - dial |
| 5Y319 | others - machine code |
| 82812500 | others - case ring |
| A190BS | others - push pin |
| 13SC04A2 | others - second hand |
| 11T08NGH | others - hour hand |
| 11TC8DGM | others - minute hand |
| 11T12NAH | others - hour hand |
| 11T10NGM | others - minute hand |
| 11T30DAH | others - hour hand |
| 11T12NAM | others - minute hand |