The Seiko 1F21-0A70 is a watch model based on the 1F21 movement.
Parts List
| 165W04SN01 | crystal - crystal |
| 30MA2NA1 | crown - crown |
| 0A1500B01 | case back gasket |
| HG04A | band - band |
| HZ55A | band - metal band |
| 07SC02NG | others - second hand |
| 3BA075F0BNG | others - second hand |
| 1BF045L0BDG | others - hour hand |
| 2BF065L0BDG | others - minute hand |
| 82820340 | others - case ring |
| 1F210A707NA | others - case |
| 1F210A70 | others - case back |
| 1F210A707N | others - case |
| 1F210B70XS14 | others - dial |
| 1F211D30XG14 | others - dial |
| 1F219 | others - machine code |
| B090AS | others - push pin |
| 0351807 | others - winding stem |
| 06TB8DGH | others - hour hand |
| 06TB8DGM | others - minute hand |
| EZ0035B01 | others - crown and stem gasket |