The Seiko 5P31-519B is a watch model based on the 5P31 movement.
Parts List
| SA5W19SN01 | crystal - crystal |
| 35M81NA1 | crown |
| 0F260BAA3 | case back gasket - case back gasket |
| AL09B | band - band |
| 3AA125F1ANG | others - second hand |
| 1BA070A1BNG | others - hour hand |
| 10T31DGM | others - minute hand |
| 2BA100A1BDG | others - minute hand |
| EB0055B01 | others - crown and stem gasket |
| 82820210 | others - case ring |
| 5P31519B6M | others - case |
| 5P31519B | others - case back |
| 5P315290XG24 | others - dial |
| 5P3161 | others - machine code |
| A170BS | others - push pin |