The Seiko 1F21-0F70 is a watch model based on the 1F21 movement.
Parts List
| 180W46SN01 | crystal |
| 30MA2NA1 | crown - crown |
| 0A1700N01 | case back gasket - case back gasket |
| HA37A | band - metal band |
| 3BA075F0BNG | others - second hand |
| 0351807 | others - winding stem |
| 1BF047L0BDG | others - hour hand |
| 82822980 | others - case ring |
| 1F210F70 | others - case back |
| 1F210F706Y | others - case |
| 1F210J40XG14 | others - dial |
| 1F215 | others - machine code |
| A120AS | others - push pin |
| 2BF070L0BDG | others - minute hand |
| EZ0035B01 | others - crown and stem gasket |