The Seiko 1F20-0BJ0 is a watch model based on the 1F20 movement.
Parts List
| BA2A72SB0A | crystal - crystal (sapphire) |
| 6K35C0STW1 | crown - crown |
| 0F200BAD2 | case back gasket - case back gasket |
| D246AZ | band - band |
| DEZ6AW | band - band |
| D246AZ-LK00 | band - link |
| DEZ6AW-BK00 | clasp - clasp |
| D246AZ-BK00 | clasp - clasp |
| D246AZ-BKPC | clasp - parts for buckle/clasp |
| 1CE042L2BDS | others - hour hand |
| 2CE062L2BDS | others - minute hand |
| 1CE042L2BCM | others - hour hand |
| 2CE062L2BCM | others - minute hand |
| 1F200BJ002A | others - case |
| D246AZ-LKPN | others - pin for link |
| S150BS | others - push pin |
| 0351807 | others - winding stem |
| 81506089 | others - case back screw |
| 82844800 | others - case ring |
| 1F200BJ0 | others - case back |
| 1F200BJ001A | others - case |
| AC004BAD1 | others - crown and stem gasket |
| D246AZ-BKPN | others - pin for buckle/clasp |
| D246AZ-BKPP | others - spring bar for buckle/clasp |
| D246AZ-EP00 | others - endpiece |
| 1F200BS0XB13 | others - dial |
| 1F200BS0XG13 | others - dial |
| 1F200BS0XS13 | others - dial |
| 1F200BT0XA13 | others - dial |
| 1F205 | others - machine code |
| 87020460 | others - back plate |
Caliber 1F20
