The Seiko 1F20-6C20 is a watch model based on the 1F20 movement.
Parts List
| BA0A18JR02 | crystal - crystal |
| 30MF8NA1 | crown - crown |
| 30MF8MB1 | crown |
| 0E170NA1S | case back gasket - case back gasket |
| D0E4CM | band - band |
| D0E4FM | band - band |
| 1CH032A0BAA | others - hour hand |
| 2CH047A0BCA | others - minute hand |
| 81190055 | others - bracelet fixing pipe |
| 82836540 | others - case ring |
| 1F206C2025 | others - case |
| 81603329 | others - bracelet fixing pin |
| 1F206C20 | others - case back |
| 1F206C202H | others - case |
| 1F202K30XS19 | others - dial |
| 1F202K40XS14 | others - dial |
| 1F205 | others - machine code |
| 0351807 | others - winding stem |
| EZ0035B01 | others - crown and stem gasket |
| 2CE047L0BDG | others - minute hand |
| 1CE030L2BDG | others - hour hand |
Caliber 1F20
