The Seiko V321-5120 is a watch model based on the V321 movement.
Parts List
| SAFN66LN01 | crystal |
| 35MR6NF1 | crown |
| 0H2520B01 | case back gasket |
| JK83B | band - leather band |
| 0354530 | others - winding stem |
| 09CP8NGH | others - hour hand |
| A160BS | others - push pin |
| 09CP8NGM | others - minute hand |
| 13SC04A2 | others - second hand |
| AD006BA12 | others - crown gasket |