The Seiko 7321-5280 is a watch model based on the 7321 movement.
Parts List
| K00W72GN00 | crystal |
| 30M56NA1 | crown - crown |
| 0A1700N01 | case back gasket - case back gasket |
| 86571200 | crystal gasket |
| ZS05S | band - metal band |
| 06T02DGH | others - hour hand |
| 06T02DGM | others - minute hand |
| 07SC02NG | others - second hand |
| 0354735 | others - winding stem |
| 73210580XG14 | others - dial |
| 7321528075 | others - case |
| 73219 | others - machine code |
| 82722800 | others - case ring |
| B090AS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |