The Seiko 5E31-6E80 is a watch model based on the 5E31 movement.
Parts List
| 255W04SN01 | crystal - crystal |
| 6K35A0STGA | crown - crown |
| 0F240NAAS | case back gasket - case back gasket |
| 86582520 | crystal gasket - plastic gasket for crystal |
| D030CB | band - band |
| 1BB075L2BCA | others - hour hand |
| 2BB110L2BCA | others - minute hand |
| 0351624 | others - winding stem |
| 12ST06DA | others - second hand |
| 81180229 | others - bracelet fixing pipe |
| 81604939 | others - bracelet fixing pin |
| 82831160 | others - case ring |
| 5E316E8098 | others - case |
| 5E316E80 | others - case back |
| 5E315 | others - machine code |
| 5E316E807Y | others - case |
| 5E316F20X914 | others - dial |
| 5E316F30XG14 | others - dial |
| 87020283 | others - back plate |
| EA0040B0A | others - crown and stem gasket |