The Seiko 7321-5750 is a watch model based on the 7321 movement.
Parts List
| SA8W10HN01 | crystal - crystal (inorganic) |
| 30M58NA1 | crown - crown |
| 30M58NS1 | crown |
| 0A1500N01 | case back gasket |
| 86573380 | crystal gasket - plastic gasket for crystal |
| Z5146S | band - metal band |
| Z5146S-BK3S | clasp - clasp |
| 07SC02NS | others - second hand |
| EZ0035B0A | others - crown and stem gasket |
| 0354735 | others - winding stem |
| 73211260XS13 | others - dial |
| 732157507E | others - case |
| 73219 | others - machine code |
| 82723740 | others - case ring |
| A100AS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |
| 05T10NSM | others - minute hand |
| 05T02NSH | others - hour hand |