The Seiko 7321-5850 is a watch model based on the 7321 movement.
Parts List
| SA8W08HM01 | crystal - crystal |
| 30M58NA1 | crown - crown |
| 0A2400N01 | case back gasket - case back gasket |
| 86573340 | crystal gasket - plastic gasket for crystal |
| GA19B | band - band |
| 08SC16AG | others - second hand |
| 08T02N1M | others - minute hand |
| 81180229 | others - bracelet fixing pipe |
| 81605319 | others - bracelet fixing pin |
| 0354735 | others - winding stem |
| 82732980 | others - case ring |
| 73215850WE | others - case |
| 73211270XG19 | others - dial |
| 73219 | others - machine code |
| EZ0035B01 | others - crown and stem gasket |
| 08T02N1H | others - hour hand |