The Seiko 1F20-0K70 is a watch model based on the 1F20 movement.
Parts List
| 190A08SZ0C | crystal - crystal |
| 30MA2NA1 | crown - crown |
| 0F170NA1S | case back gasket - case back gasket |
| 5B05A | band - band |
| 1CH045A0BNG | others - hour hand |
| 2CH065A0BDG | others - minute hand |
| 0351807 | others - winding stem |
| 82822260 | others - case ring |
| 1F200K707H | others - case |
| 1F200K70 | others - case back |
| 1F202F00XS24 | others - dial |
| 1F205 | others - machine code |
| 84323905 | others - dial ring |
| A110AS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |
Caliber 1F20
