The Seiko 1F20-5030 is a watch model based on the 1F20 movement.
Parts List
| ES1A69SN02 | crystal |
| 30MB0NA1 | crown - crown |
| 0H1400B01 | case back gasket - case back gasket |
| TT67A | band - metal band |
| 81604999 | band - bracelet fixing pin |
| 82853450 | others - case ring |
| 81181459 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 1F200160XG19 | others - dial |
| 1F205 | others - machine code |
| 1F205030 | others - case back |
| 1F20503025 | others - case |
| 0351807 | others - winding stem |
| DZ0041B01 | others - crown and stem gasket |
| 1CG035LABDG | others - hour hand |
| 04Y01DGM | others - minute hand |
| 2CG047LABDG | others - minute hand |
| 04Y01DGH | others - hour hand |
Caliber 1F20
