The Seiko 7321-5450 is a watch model based on the 7321 movement.
Parts List
| RE8N04GN00 | crystal - crystal |
| 30M68NA1 | crown - crown |
| 0H1860N01 | case back gasket - case back gasket |
| MK33B | band - band |
| 07SC02NG | others - second hand |
| A130AS | others - push pin (for lb) |
| 73210880XS14 | others - dial |
| 73219 | others - machine code |
| 732154502N | others - case |
| 0354735 | others - winding stem |
| 82714460 | others - case ring |
| DZ0041B01 | others - crown and stem gasket |
| 06T04NGM | others - minute hand |
| 07T04NGH | others - hour hand |