The Seiko 1F20-5G70 is a watch model based on the 1F20 movement.
Parts List
| K04N34JK01 | crystal |
| 30M78NA1 | crown |
| 0H2300B01 | case back gasket |
| HZ64A | band - metal band |
| HZ65A | band - metal band |
| 09Y16DGH | others - hour hand |
| 0351808 | others - winding stem |
| 1F201F20X914 | others - dial |
| 1F201F20X924 | others - dial |
| 1F205G7025 | others - case |
| 1F205G702E | others - case |
| 1F209 | others - machine code |
| 82822540 | others - case ring |
| A160AS | others - push pin |
| 09Y16DGM | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |
Caliber 1F20
