The Seiko 1F20-5230 is a watch model based on the 1F20 movement.
Parts List
| RE6A21JN02 | crystal - crystal |
| 25M69NS1 | crown - crown |
| 0F140BA1S | case back gasket - case back gasket |
| WT30AW | band - band |
| 1CH025A1BAC | others - hour hand |
| 2CH037A1BAC | others - minute hand |
| 81190055 | others - bracelet fixing pipe |
| 1F2052308XA | others - case |
| 82814280 | others - case ring |
| 81621179 | others - bracelet fixing pin |
| 1F205230 | others - case back |
| 1F200510XS19 | others - dial |
| 1F205 | others - machine code |
| 0351807 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
Caliber 1F20
