The Seiko 1F20-0AT0 is a watch model based on the 1F20 movement.
Parts List
| RE0AD2JN02 | crystal - crystal |
| 6M30E2SNG4 | crown - crown |
| 0F160BA1S | case back gasket - case back gasket |
| 32S5YB | band - band |
| 32S5XB | band - band |
| 32S5XB-LK | band - link |
| 32S5YB-LK | band - link |
| 32S5YB-BK | clasp - buckle |
| 32S5YB-PB | clasp - parts for buckle |
| 32S5XB-BK | clasp - buckle |
| 32S5XB-PB | clasp - parts for buckle |
| 2CE042L2BDG | others - minute hand |
| DB004BAD1 | others - crown and stem gasket |
| 81190055 | others - bracelet fixing pipe |
| 81620639 | others - bracelet fixing pin |
| 1F200AT001B | others - case |
| 0351807 | others - winding stem |
| 1F200BB8XL14 | others - dial |
| 1F200BB8XS14 | others - dial |
| 1F205 | others - machine code |
| 1CE027L0BDG | others - hour hand |
| 82796920 | others - case ring |
| 1F200AT0 | others - case back |
| 1F200AT002B | others - case |
Caliber 1F20
