The Seiko 1F20-6D80 is a watch model based on the 1F20 movement.
Parts List
| K01A08SR01 | crystal - crystal |
| 25M44NA4 | crown |
| 25M44NJ4 | crown - crown |
| 0F150NA1S | case back gasket - case back gasket |
| D0Q5AB | band - band |
| D0Q5BB | band - band |
| D0Q5BB-LK00 | band - link |
| D0Q5AB-LK00 | band - link |
| D0Q5BB-BK00 | clasp - clasp |
| D0Q5AB-BK00 | clasp - clasp |
| 2CF040A0BDG | others - minute hand |
| 2CH040S0BDG | others - minute hand |
| 81190055 | others - bracelet fixing pipe |
| 1F206D8076 | others - case |
| 82837640 | others - case ring |
| 81603979 | others - bracelet fixing pin |
| 1F206D80 | others - case back |
| 1F206D8079 | others - case |
| 1F202M60XA14 | others - dial |
| 1F202M70XA14 | others - dial |
| 1F205 | others - machine code |
| D0Q5AB-BKPN | others - pin for buckle/clasp |
| 0351807 | others - winding stem |
| D0Q5BB-BKPN | others - pin for buckle/clasp |
| D0Q5AB-LKPN | others - pin for link |
| D0Q5BB-LKPN | others - pin for link |
| EZ0035B01 | others - crown and stem gasket |
| 1CH027SMBDG | others - hour hand |
| 1CF027A0BNG | others - hour hand |
Caliber 1F20
