The Seiko V321-5180 is a watch model based on the V321 movement.
Parts List
| ESHN50LM01 | crystal |
| 30MR2NF1 | crown |
| 0H2600B01 | case back gasket - case back gasket |
| AK97B | band - leather band |
| AK98B | band - leather band |
| 0354530 | others - winding stem |
| A160BS | others - push pin |
| 13SC04A2 | others - second hand |
| 09C70NGM | others - minute hand |
| AD006BA12 | others - crown gasket |
| 09C70NGH | others - hour hand |