The Seiko 5E31-7A30 is a watch model based on the 5E31 movement.
Parts List
| 290A02SN01 | crystal - crystal |
| 30ML8TA4 | crown |
| 0F270NA1S | case back gasket - case back gasket |
| CA04BW | band - leather band |
| 1BA080A1BAF | others - hour hand |
| 0351624 | others - winding stem |
| 12ST12TE | others - second hand |
| 5E315 | others - machine code |
| 5E317A30 | others - case back |
| 5E317A3076 | others - case |
| 5E317A30XG14 | others - dial |
| 82835460 | others - case ring |
| 87020283 | others - back plate |
| A180AS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |
| 2BA120A0BCA | others - minute hand |