The Seiko V321-6150 is a watch model based on the V321 movement.
Parts List
| 240W56LN01 | crystal |
| 40MP6NF1 | crown - crown |
| 0A2500B01 | case back gasket - case back gasket |
| 86575520 | crystal gasket - crystal plastic gasket |
| YA72A | band - metal band |
| YA73A | band - metal band |
| 81180229 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 0354530 | others - winding stem |
| 13SC04A2 | others - second hand |
| AD006BA12 | others - crown gasket |
| 10C46NGM | others - minute hand |
| 10C46NGH | others - hour hand |