The Seiko 7321-5380 is a watch model based on the 7321 movement.
Parts List
| SABN10SN00 | crystal - crystal |
| 25M02NA4 | crown - crown |
| 0H1720N01 | case back gasket - case back gasket |
| KK12A | band - band |
| 07T32CGH | others - hour hand |
| 07T32CGM | others - minute hand |
| 0354735 | others - winding stem |
| 07SC06DG | others - second hand |
| 732153804L | others - case |
| 82723600 | others - case ring |
| 73210750XG18 | others - dial |
| 73219 | others - machine code |
| A110AS | others - push pin |
| DZ0041B01 | others - crown and stem gasket |