The Seiko 7321-0400 is a watch model based on the 7321 movement.
Parts List
| 210W14GN00 | crystal - crystal |
| 35MC2NA1 | crown - crown |
| 35MC2NS1 | crown - crown |
| FH2081B0A | case back gasket - case back gasket |
| 86572741 | crystal gasket - plastic gasket for crystal |
| HL46A | band - band |
| HL47A | band - band |
| HK54B | band - leather band |
| HK57B | band - leather band |
| HK52B | band - band |
| HK55B | band - leather band |
| 08T02NSH | others - hour hand |
| 08T14NGM | others - minute hand |
| 08T14NSM | others - minute hand |
| 08T02NGH | others - hour hand |
| 08SC16AG | others - second hand |
| 7321040061 | others - case |
| 0354735 | others - winding stem |
| 82723760 | others - case ring |
| 7321040075 | others - case |
| 73211820XE13 | others - dial |
| 73211820XS14 | others - dial |
| 73212230XG19 | others - dial |
| 73219 | others - machine code |
| A130BS | others - push pin |
| EA0040B0A | others - crown and stem gasket |
| 08SC16ES | others - second hand |
| 08T24AGH | others - hour hand |
| 08T24AGM | others - minute hand |