The Seiko 1F20-0E39 is a watch model based on the 1F20 movement.
Parts List
| 190W28JN01 | crystal |
| 190W28JN | crystal |
| 30MG4NA1 | crown |
| 0A1800N01 | case back gasket |
| EZ0035B0 | case back gasket |
| 81604421 | band - bracelet fixing pin |
| G5155G | band |
| G5155G-LKG | band - link |
| G5155G-BK4G | clasp - clasp |
| 82822240 | others - case ring |
| 1F200E39 | others - case back |
| 1F200E3975 | others - case |
| 1F201D80XS24 | others - dial |
| 1F209 | others - machine code |
| 81503081 | others - screw |
| 0351807 | others - winding stem |
| EZ0035B01 | others - crown and stem gasket |
| 07YA2DGM | others - minute hand |
| 07YA2AJH | others - hour hand |
Caliber 1F20
