The Seiko 1F20-0AX0 is a watch model based on the 1F20 movement.
Parts List
| RE7A36SB0A | crystal - crystal |
| 6M40C4SNW1 | crown - crown |
| 6M40C4SNG1 | crown - crown |
| 0F180BA1S | case back gasket - case back gasket |
| DET3AW | band - band |
| DET4BW | band - band |
| DET4AW | band - band |
| DET3AW-BK00 | clasp - clasp |
| DET4BW-BK00 | clasp - clasp |
| 1CH035L0BDN | others - hour hand |
| 2CH050L0BDN | others - minute hand |
| 82844320 | others - case ring |
| 1F200AX0 | others - case back |
| 1F200AX001A | others - case |
| 0351807 | others - winding stem |
| DB004BAD1 | others - crown and stem gasket |
| 1F200AX002A | others - case |
| 1F200BF0XS15 | others - dial |
| 1F200BF0XS25 | others - dial |
| 1F200BF0XS35 | others - dial |
| 1F203 | others - machine code |
| DET4BW-EP00 | others - endpiece |
| S180CS | others - push pin |
| DET3AW-EP00 | others - endpiece |
Caliber 1F20
