The Seiko 1F20-0BX0 is a watch model based on the 1F20 movement.
Parts List
| RE7A94SN02 | crystal - crystal (sapphire) |
| 6K35D0SNG1 | crown - crown (3h) |
| 0F160BAD2 | case back gasket - case back gasket |
| DFL1BW | band - band |
| DFL1BW-BK00 | clasp - clasp |
| 2CG042L0BDZ | others - minute hand |
| 1CG030L0BDZ | others - hour hand |
| 1F200BX0 | others - case back |
| 1F200BX001A | others - case |
| 82845760 | others - case ring |
| A110BS | others - push pin (for mb) |
| 0351807 | others - winding stem |
| AC004BAD1 | others - crown and stem gasket |
| 1F200CK0XS15 | others - dial |
| 1F203 | others - machine code |
Caliber 1F20
