The Seiko 1F20-0430 is a watch model based on the 1F20 movement.
Parts List
| 190A02S20A | crystal - crystal |
| 30M81NA4 | crown - crown |
| 6M30Z3SNWD | crown - crown |
| 0H1800B01 | case back gasket - case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| DA26BW | band - leather band |
| 3EA070A0BDG | others - second hand |
| 1BB050YCBNG | others - hour hand |
| 2BB075YEBNG | others - minute hand |
| 81181459 | others - bracelet fixing pipe |
| 81602669 | others - bracelet fixing pin |
| 82832635 | others - case ring |
| 4N210430XBA | others - case |
| 82353459 | others - bezel |
| 4N210430 | others - case back |
| 4N210871XS14 | others - dial |
| 4N2164 | others - machine code |
| 0351155 | others - winding stem |
| 3EA075A0BDG | others - second hand |
Caliber 1F20
