The Seiko 7321-5710 is a watch model based on the 7321 movement.
Parts List
| ES8W04SJ01 | crystal - crystal |
| 30M52NA3 | crown |
| 0A2400N01 | case back gasket - case back gasket |
| LK09C | band - band |
| 7321571058 | others - case |
| 82732900 | others - case ring |
| 73211180XB14 | others - dial |
| 73219 | others - machine code |
| A180BS | others - push pin |
| 0354735 | others - winding stem |
| EZ0035B01 | others - crown and stem gasket |
| 08T32DGM | others - minute hand |
| 08SC22D1 | others - second hand |
| 08T32DGH | others - hour hand |