The Seiko 1F21-0C70 is a watch model based on the 1F21 movement.
Parts List
| 160W14SN01 | crystal |
| 30MF8NA1 | crown - crown |
| 0A1600B01 | case back gasket |
| TT47A | band - metal band |
| TT48A | band - metal band |
| 07SC02NG | others - second hand |
| 06TC2NGH | others - hour hand |
| 0351807 | others - winding stem |
| 81182699 | others - bracelet fixing pipe |
| 81609399 | others - bracelet fixing pin |
| 82822440 | others - case ring |
| 1F210C70 | others - case back |
| 1F210C7075 | others - case |
| 1F210C707L | others - case |
| 1F210E20X914 | others - dial |
| 1F210E20XS14 | others - dial |
| 1F219 | others - machine code |
| EZ0035B01 | others - crown and stem gasket |
| 06TC2NGM | others - minute hand |