The Seiko 1F20-6A19 is a watch model based on the 1F20 movement.
Parts List
| ES0A22JN02 | crystal |
| ES0A22JN | crystal |
| 30M64NA3 | crown - crown |
| 0E150NA1S | case back gasket - case back gasket |
| B5726G-LKG | band - link |
| B5726G | band |
| B5726G-BK4G | clasp - buckle |
| 2CE037L0BDG | others - minute hand |
| 1CE025L0BDG | others - hour hand |
| 0351807 | others - winding stem |
| 1F202D70XS14 | others - dial |
| 1F205 | others - machine code |
| 81182699 | others - bracelet fixing pipe |
| 81609399 | others - bracelet fixing pin |
| 1F206A192N | others - case |
| 82833960 | others - case ring |
| 1F206A19 | others - case back |
| DZ0041B01 | others - crown and stem gasket |
Caliber 1F20
