The Seiko 1F20-6E89 is a watch model based on the 1F20 movement.
Parts List
| ES1A40JR02 | crystal - crystal |
| 30MK4NA4 | crown - crown |
| 0F160NA1S | case back gasket - case back gasket |
| 2057YQ | band - band |
| 2057YQ-LKG | band - link |
| 2057YQ-BK4G | clasp - buckle |
| 2CE040L0BDG | others - minute hand |
| 0351807 | others - winding stem |
| 1CE027L0BDG | others - hour hand |
| 1F202N70XB14 | others - dial |
| 1F202N70XG14 | others - dial |
| 1F205 | others - machine code |
| 2057YQ-EPG | others - endpiece |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 1F206E89FY | others - case |
| 82837880 | others - case ring |
| 1F206E89 | others - case back |
| EZ0035B01 | others - crown and stem gasket |
| 04Y23DGM | others - minute hand |
| 04Y23DGH | others - hour hand |
Caliber 1F20
