The Seiko 1F20-0H10 is a watch model based on the 1F20 movement.
Parts List
| 190W24SN01 | crystal |
| 30MA2NA1 | crown - crown |
| 0A1900B01 | case back gasket - gasket |
| MK10F | band - leather band |
| A100BS | others - push pin (for mb) |
| 1F200H10 | others - case back |
| 1F200H106Y | others - case |
| 1F202A30X914 | others - dial |
| 1F205 | others - machine code |
| 0351807 | others - winding stem |
| 82820780 | others - case ring |
| 1CB055A0BNG | others - hour hand |
| 2CB080A0BDG | others - minute hand |
| EZ0035B01 | others - crown and stem gasket |
Caliber 1F20
