The Seiko 5P31-5270 is a watch model based on the 5P31 movement.
Parts List
| ES9W67SN01 | crystal - crystal (sapphire) |
| 35M39NA1 | crown |
| 0F230BAA3 | case back gasket - case back gasket |
| 86572210 | crystal gasket - plastic gasket for crystal |
| YL25A | band - band |
| YL24A | band - band |
| 1BA070A1BNG | others - hour hand |
| 3AA125F1ANG | others - second hand |
| 10T31DGM | others - minute hand |
| 2BA100A1BDG | others - minute hand |
| EB0055B01 | others - crown and stem gasket |
| 0351671 | others - winding stem |
| 5P31527075A | others - case |
| 82822290 | others - case ring |
| 5P315270 | others - case back |
| 5P31527075 | others - case |
| 5P315400XB14 | others - dial |
| 5P315400XG14 | others - dial |
| 5P315410XS19 | others - dial |
| 5P3161 | others - machine code |
| A170BS | others - push pin |
| 09T43AGH | others - hour hand |
| 09T43AGM | others - minute hand |
| 10SC23T1 | others - second hand |
| 10SC25T1 | others - second hand |
| 2BA100A1BNG | others - minute hand |
| 10T07DGH | others - hour hand |
| 1BC060A1BAA | others - hour hand |