The Seiko 7321-5530 is a watch model based on the 7321 movement.
Parts List
| RE6N48GN00 | crystal - crystal |
| 30M54NS1 | crown - crown |
| 0H1860N01 | case back gasket - case back gasket |
| HA13A | band - band |
| 06T10NSH | others - hour hand |
| 06T10NSM | others - minute hand |
| 07SC02NS | others - second hand |
| 0354735 | others - winding stem |
| 82714440 | others - case ring |
| 7321553011 | others - case |
| 73210970XN19 | others - dial |
| 73219 | others - machine code |
| A120AS | others - push pin |
| DZ0041B01 | others - crown and stem gasket |