The Seiko 1F20-6A40 is a watch model based on the 1F20 movement.
Parts List
| K00A10SR01 | crystal - crystal |
| 25M20NA3 | crown |
| 0F160NA1S | case back gasket - case back gasket |
| MK35G | band - leather band |
| 1CC040A0BAE | others - hour hand |
| 0351807 | others - winding stem |
| 82834280 | others - case ring |
| 1F202E80XS19 | others - dial |
| 1F205 | others - machine code |
| 1F206A40 | others - case back |
| 1F206A4076 | others - case |
| 87020460 | others - back plate |
| B090AS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |
| 2CC057AMBAE | others - minute hand |
Caliber 1F20
