The Seiko 7321-0740 is a watch model based on the 7321 movement.
Parts List
| 180W46SV02 | crystal |
| 25M20NS3 | crown |
| 0A1700N01 | case back gasket - case back gasket |
| HB65A | band - metal band |
| 07SC06DG | others - second hand |
| 81180229 | others - bracelet fixing pipe |
| 81611339 | others - bracelet fixing pin |
| 0354735 | others - winding stem |
| 82732220 | others - case ring |
| 73210740 | others - case back |
| 732107406Y | others - case |
| 73213140X924 | others - dial |
| 73219 | others - machine code |
| EZ0035B01 | others - crown and stem gasket |
| 07TJ0DGH | others - hour hand |
| 07TJ0DGM | others - minute hand |