The Seiko 1F21-0A80 is a watch model based on the 1F21 movement.
Parts List
| 165W04SV01 | crystal |
| 30MA2NA1 | crown - crown |
| 0A1500B01 | case back gasket |
| HZ56A | band - metal band |
| 06TA0FGH | others - hour hand |
| 06TA0FGM | others - minute hand |
| 07SC02NG | others - second hand |
| 0351807 | others - winding stem |
| 82820340 | others - case ring |
| 1F210A80 | others - case back |
| 1F210A807E | others - case |
| 1F210B80XS19 | others - dial |
| 1F219 | others - machine code |
| B090AS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |