The Seiko 1F20-F010 is a watch model based on the 1F20 movement.
Parts List
| 174PF1LN01 | crystal |
| 174PF1LN | crystal |
| 25M02NA4 | crown - crown |
| FE157BA1F | case back gasket |
| DZ0040B0 | case back gasket |
| 8656F040 | crystal gasket |
| 0C180BA1F | bezel gasket |
| BFA28K | band |
| BFJ38K | band |
| 1F20F010 | others - case back |
| 1F20F01025A | others - case |
| 1F20F010XS14 | others - dial |
| 1F20F020XB19 | others - dial |
| 1F20F020XS19 | others - dial |
| 8230F021 | others - bezel |
| 8270F050 | others - case ring |
| 8999F041 | others - endpiece screw |
| 0351807 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 2CG055FLBNG | others - minute hand |
| 2CG070FLBNG | others - minute hand |
| 1CG035FLBNG | others - hour hand |
| 1CG050FLBNG | others - hour hand |
Caliber 1F20
