The Seiko 1F20-5190 is a watch model based on the 1F20 movement.
Parts List
| BA1A07SN01 | crystal - crystal |
| BA2A07SN01 | crystal - crystal |
| 25M44NA4 | crown |
| 25M44NA5 | crown - crown |
| 0F200NA1S | case back gasket - case back gasket |
| DB42BB | band - band |
| DB43BW | band - band |
| 89920155 | band - other |
| 1CA042A1BNG | others - hour hand |
| 1CG040LABDJ | others - hour hand |
| 2CA062A1BNG | others - minute hand |
| 2CG060LABDJ | others - minute hand |
| 1F20519043A | others - case |
| 82873330 | others - case ring |
| 1F20519043B | others - case |
| 0351807 | others - winding stem |
| 1F200460XA19 | others - dial |
| 1F200470XS14 | others - dial |
| 1F205 | others - machine code |
| EZ0035B01 | others - crown and stem gasket |
Caliber 1F20
