The Seiko 1F20-0G50 is a watch model based on the 1F20 movement.
Parts List
| 180W46SV01 | crystal |
| 32M10NA1 | crown - crown |
| 0A1700B01 | case back gasket |
| ZA30A | band - metal band |
| 1CF050L0BDG | others - hour hand |
| 0351807 | others - winding stem |
| 82822260 | others - case ring |
| 1F200G50 | others - case back |
| 1F200G506Y | others - case |
| 1F201K80XS14 | others - dial |
| 1F205 | others - machine code |
| 87020460 | others - back plate |
| A120AS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |
| 2CF075L0BDG | others - minute hand |
Caliber 1F20
