The Seiko 7321-615A is a watch model based on the 7321 movement.
Parts List
| SADN44HK01 | crystal - crystal |
| 30MA4NB1 | crown - crown |
| 0H2100N01 | case back gasket - case back gasket |
| DK10C | band - band |
| 08SC14NG | others - second hand |
| 08T46NGH | others - hour hand |
| 08T46NGM | others - minute hand |
| 7321615A25 | others - case |
| 73211860XB14 | others - dial |
| 73219 | others - machine code |
| A120AS | others - push pin |
| 0354735 | others - winding stem |
| 82800660 | others - case ring |