The Seiko 1F20-1C79 is a watch model based on the 1F20 movement.
Parts List
| 210A02SN02 | crystal - crystal (sapphire) |
| 210A02SN | crystal |
| 30MK8NA4 | crown - crown |
| 0F190NA1S | case back gasket - case back gasket |
| 0F190NA1 | case back gasket |
| 2A19YZ | band - band |
| 2A20YZ | band - band |
| 2CA085A2BDG | others - minute hand |
| 2CA080A0BCA | others - minute hand |
| 1CA055A2BNG | others - hour hand |
| 1CA055A2BAA | others - hour hand |
| A120BS | others - push pin (for lb) |
| 1F202M10XG14 | others - dial |
| 1F202M20XS39 | others - dial |
| 1F205 | others - machine code |
| 0351807 | others - winding stem |
| 1F201C7976 | others - case |
| 82820780 | others - case ring |
| 1F201C79 | others - case back |
| EZ0035B01 | others - crown and stem gasket |
Caliber 1F20
