The Seiko 5E31-6F50 is a watch model based on the 5E31 movement.
Parts List
| 270P01SN02 | crystal |
| 30MK8NA4 | crown - crown |
| 0F250NA1S | case back gasket |
| 86580140 | crystal gasket |
| WB58BW | band - band |
| 1BC080A1BNG | others - hour hand |
| 2BC110A1BDG | others - minute hand |
| 0351624 | others - winding stem |
| 12ST06DA | others - second hand |
| 5E316F5076 | others - case |
| 82834400 | others - case ring |
| 5E315 | others - machine code |
| 5E316E50XS19 | others - dial |
| 87020283 | others - back plate |
| A170AS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |