The Seiko 1F20-0AK0 is a watch model based on the 1F20 movement.
Parts List
| RE6A62JB0A | crystal - crystal |
| RE6A62JB0B | crystal - crystal |
| 6M35D8SNG1 | crown - crown |
| 6M35D8SNW1 | crown - crown |
| 0F140BA1S | case back gasket - case back gasket |
| 31C7YG | band - band |
| 31C7ZG | band - band |
| 31C7YG-LK | band - link |
| 31C7ZG-LK | band - link |
| 31C7ZG-PB | clasp - parts for buckle |
| 31C7YG-BK | clasp - buckle |
| 31C7ZG-BK | clasp - buckle |
| 31C7YG-PB | clasp - parts for buckle |
| 1CA020A2BNG | others - hour hand |
| 2CA032A5BNG | others - minute hand |
| 2CA032A5BNS | others - minute hand |
| 1CA020A2BNS | others - hour hand |
| 1F200AK002B | others - case |
| DB004BAD1 | others - crown and stem gasket |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 1F200AK001B | others - case |
| 82824700 | others - case ring |
| 1F200AK0 | others - case back |
| 1F200AM8XB13 | others - dial |
| 1F200AM8XY14 | others - dial |
| 1F205 | others - machine code |
| 0351807 | others - winding stem |
Caliber 1F20
