The Seiko 1F21-0030 is a watch model based on the 1F21 movement.
Parts List
| 175A02SN01 | crystal |
| 175W21SN01 | crystal |
| 25M25DA5 | crown - crown (3h) |
| 0F145BAA7 | case back gasket |
| DK64C | band - leather band |
| 07T75VGM | hand - minute hand |
| 1F210030 | others - case back |
| 1F21003075A | others - case |
| 1F210030XG14 | others - dial |
| 1F210040XG19 | others - dial |
| 1F219 | others - machine code |
| 82832810 | others - case ring |
| A100AS | others - push pin |
| 07SC35VG | others - second hand |
| DZ0040B01 | others - crown and stem gasket |
| 0351807 | others - winding stem |
| 07T07AGM | others - minute hand |
| 1BA047A1BAA | others - hour hand |
| 2BA070A1BAA | others - minute hand |
| 07T07AGH | others - hour hand |
| 07T75VGH | others - hour hand |