The Seiko 1F20-0050 is a watch model based on the 1F20 movement.
Parts List
| 130A05JN02 | crystal |
| 25M69NA1 | crown |
| 0H1300B01 | case back gasket |
| WI307 | band - metal band |
| WI308 | band - metal band |
| 1CA030A1BNG | others - hour hand |
| 0351807 | others - winding stem |
| 82852190 | others - case ring |
| 1F200050 | others - case back |
| 1F20005011 | others - case |
| 1F20005025 | others - case |
| 1F200140XG14 | others - dial |
| 1F200140XS14 | others - dial |
| 1F205 | others - machine code |
| 82310571 | others - bezel |
| 82310579 | others - bezel |
| DZ0040B01 | others - crown and stem gasket |
| 2CA045A1BDG | others - minute hand |
Caliber 1F20
