The Seiko 1F20-0AH0 is a watch model based on the 1F20 movement.
Parts List
| RE6A58JB0A | crystal - crystal |
| RE6A58JB0B | crystal - crystal |
| RE6A58JB0C | crystal - crystal |
| 6M30Z3SNG0 | crown - crown |
| 6M30Z3SNWB | crown - crown |
| 0F150BA1S | case back gasket - case back gasket |
| 31A0YB-LK | band - link |
| 31A0ZB-LK | band - link |
| 31A0YB | band - band |
| 31A0ZB | band - band |
| 31A0YB-BK | clasp - buckle |
| 31A0ZB-BK | clasp - buckle |
| 31A0YB-PB | clasp - parts for buckle |
| 31A0ZB-PB | clasp - parts for buckle |
| 1CE025LABDS | others - hour hand |
| 1CE035L0BDG | others - hour hand |
| 1CE035L0BDS | others - hour hand |
| 2CE037L2BDS | others - minute hand |
| 2CE050L2BDG | others - minute hand |
| 2CE050L2BDS | others - minute hand |
| 2CE052L0BDG | others - minute hand |
| 2CE052L0BDS | others - minute hand |
| 81190055 | others - bracelet fixing pipe |
| 1F200AH001B | others - case |
| 82796580 | others - case ring |
| 81604779 | others - bracelet fixing pin |
| 1F200AH0 | others - case back |
| 1F200AH003B | others - case |
| 1F200AJ8XL13 | others - dial |
| 1F200AJ8XN14 | others - dial |
| 1F200AJ8XS14 | others - dial |
| 1F200AK8XB15 | others - dial |
| 1F200AN8XL15 | others - dial |
| 1F200AW8XA15 | others - dial |
| 1F205 | others - machine code |
| 1F200AH002B | others - case |
| 0351807 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
Caliber 1F20
