The Seiko 1F20-0F79 is a watch model based on the 1F20 movement.
Parts List
| 180N28JM01 | crystal |
| 32M04NA6 | crown |
| 0H1300B01 | case back gasket |
| 0H1300B0 | case back gasket |
| M5104G | band |
| M5104G-BK6G | clasp - clasp |
| M5104G-PB3 | clasp - parts for buckle/clasp |
| 2CE052L0BDG | others - minute hand |
| 0351807 | others - winding stem |
| M5104G-EP2 | others - endpiece |
| 82813320 | others - case ring |
| 1F200F79 | others - case back |
| 1F200F7926 | others - case |
| 1F201G80XS19 | others - dial |
| 1F205 | others - machine code |
| EZ0035B01 | others - crown and stem gasket |
| 05Y04DGM | others - minute hand |
| 1CE040L0BDG | others - hour hand |
| 06Y51DGH | others - hour hand |
Caliber 1F20
