The Seiko 7321-5180 is a watch model based on the 7321 movement.
Parts List
| K01N90GN00 | crystal - crystal |
| 30M54NA1 | crown |
| 30M54NS1 | crown - crown |
| 0H2100N01 | case back gasket - case back gasket |
| 0Z0034B01 | case back gasket - crown and stem gasket |
| DL45A | band - band |
| 07SC02NG | others - second hand |
| 0354735 | others - winding stem |
| 7321518025 | others - case |
| 82712040 | others - case ring |
| 73210350XS14 | others - dial |
| 73219 | others - machine code |
| A140AS | others - push pin |
| DZ0041B01 | others - crown and stem gasket |
| 06T36DGM | others - minute hand |
| 06T36DGH | others - hour hand |