The Seiko 1F20-0F20 is a watch model based on the 1F20 movement.
Parts List
| 160W16SR01 | crystal |
| 30MH6NA5 | crown |
| 0A1500N01 | case back gasket |
| 81610361 | band - bracelet fixing pin |
| WGA31 | band - leather band |
| 82820240 | others - case ring |
| 86503104 | others - decorative plate |
| 0351807 | others - winding stem |
| 06Y18DGH | others - hour hand |
| 1F200F20 | others - case back |
| 1F200F209T | others - case |
| 1F201G40XB14 | others - dial |
| 1F209 | others - machine code |
| 81503021 | others - screw |
| 06Y18DGM | others - minute hand |
| EZ0035B01 | others - crown and stem gasket |
Caliber 1F20
