The Seiko 1F20-1B19 is a watch model based on the 1F20 movement.
Parts List
| 190A12SV0A | crystal - crystal |
| 190A12SV | crystal |
| 32M08NH1 | crown - crown |
| 0F150NA1S | case back gasket - case back gasket |
| 0F150NA1 | case back gasket |
| LOCAL | band - band |
| 2CG062L0BDG | others - minute hand |
| 1CG045L0BDG | others - hour hand |
| 0351807 | others - winding stem |
| 1F201B19HE | others - case |
| 82833720 | others - case ring |
| 1F201B19 | others - case back |
| 1F202G60XB14 | others - dial |
| 1F205 | others - machine code |
| A120AS | others - push pin |
| DZ0041B01 | others - crown and stem gasket |
Caliber 1F20
