The Seiko 1F21-0D30 is a watch model based on the 1F21 movement.
Parts List
| 190W44SN01 | crystal |
| 35MM8EH1 | crown |
| 0A1700B01 | case back gasket |
| 86581860 | crystal gasket - plastic gasket for crystal |
| MK53E | band - leather band |
| A120BS | others - push pin (for lb) |
| 1F210D30 | others - case back |
| 1F210D30RC | others - case |
| 1F210E80XG19 | others - dial |
| 1F219 | others - machine code |
| 82822980 | others - case ring |
| 0351807 | others - winding stem |
| 07SC02AB | others - second hand |
| 07TF0NBH | others - hour hand |
| EA0040B0A | others - crown and stem gasket |
| 07TF0NBM | others - minute hand |
| 190W44SN01 | crystal |
| 35MM8EH1 | crown |
| 0A1700B01 | case back gasket |
| 86581860 | crystal gasket - plastic gasket for crystal |
| MK53E | band - leather band |
| A120BS | others - push pin (for lb) |
| 1F210D30 | others - case back |
| 1F210D30RC | others - case |
| 1F210E80XG19 | others - dial |
| 1F219 | others - machine code |
| 82822980 | others - case ring |
| 0351807 | others - winding stem |
| 07SC02AB | others - second hand |
| 07TF0NBH | others - hour hand |
| EA0040B0A | others - crown and stem gasket |
| 07TF0NBM | others - minute hand |