The Seiko 7321-6100 is a watch model based on the 7321 movement.
Parts List
| K00W74HN01 | crystal |
| 30M58NA1 | crown - crown |
| 0A1500N01 | case back gasket |
| 86573980 | crystal gasket |
| KS07A | band - metal band |
| KS08A | band - metal band |
| 07SC02NG | others - second hand |
| 05T02NGH | others - hour hand |
| 05T10NGM | others - minute hand |
| 0354735 | others - winding stem |
| 73211800XG14 | others - dial |
| 73211800XS14 | others - dial |
| 7321610075 | others - case |
| 732161007N | others - case |
| 73219 | others - machine code |
| 82723740 | others - case ring |
| B080AS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |