The Seiko 1F20-0C10 is a watch model based on the 1F20 movement.
Parts List
| 210W22SN01 | crystal |
| 25M20NA3 | crown |
| 0A1900N01 | case back gasket - case back gasket |
| 86581540 | case back gasket |
| 3K10A | band - leather band |
| A130AS | others - push pin (for lb) |
| 1F200C1075 | others - case |
| 1F200K60XS19 | others - dial |
| 1F209 | others - machine code |
| 08Y01CGM | others - minute hand |
| 82820020 | others - case ring |
| 0351807 | others - winding stem |
| EZ0035B01 | others - crown and stem gasket |
| 08Y22ABH | others - hour hand |
Caliber 1F20
