The Seiko 1F20-5F00 is a watch model based on the 1F20 movement.
Parts List
| RECN28JM01 | crystal |
| RECN28JM | crystal |
| 30MF6NA6 | crown |
| 0H1500B01 | case back gasket - case back gasket |
| 0H1500B0 | case back gasket |
| 81931941 | clasp - clasp |
| 82812900 | others - case ring |
| 0351807 | others - winding stem |
| 1F201A60XB14 | others - dial |
| 1F205F00 | others - case back |
| 1F205F0025 | others - case |
| 1F209 | others - machine code |
| 03Y04NGM | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |
| 03Y10NAH | others - hour hand |
Caliber 1F20
