The Seiko 7321-0100 is a watch model based on the 7321 movement.
Parts List
| 190W14GN00 | crystal - crystal |
| 30M58NA1 | crown - crown |
| 0A1800N01 | case back gasket |
| 86570340 | crystal gasket |
| ML32A | band - band |
| PL23A | band - leather band |
| 07SC02NG | others - second hand |
| 0354735 | others - winding stem |
| 82710120 | others - case ring |
| 7321010075 | others - case |
| 73210460XG18 | others - dial |
| 73210470XS19 | others - dial |
| 73219 | others - machine code |
| A110AS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |
| 08TA0AGH | others - hour hand |
| 08T06CLH | others - hour hand |
| 08T06CLM | others - minute hand |
| 08TA0CGM | others - minute hand |