The Seiko 1F20-0J00 is a watch model based on the 1F20 movement.
Parts List
| 190W26SN01 | crystal |
| 25M18NS1 | crown - crown |
| 0A1800N01 | case back gasket |
| DB25B | band - band |
| 07Y34AAH | others - hour hand |
| 07Y44CAM | others - minute hand |
| 81182699 | others - bracelet fixing pipe |
| 81609399 | others - bracelet fixing pin |
| 1F200J0061 | others - case |
| 82814520 | others - case ring |
| 1F200J00 | others - case back |
| 1F202C70XS29 | others - dial |
| 1F205 | others - machine code |
| 0351807 | others - winding stem |
| EZ0035B01 | others - crown and stem gasket |
Caliber 1F20
