The Seiko 1F20-0BK0 is a watch model based on the 1F20 movement.
Parts List
| BA2A76SN02 | crystal - crystal (sapphire) |
| 6K35C6SNW1 | crown - crown (3h) |
| 0F180BAD2 | case back gasket - case back gasket |
| D225CB | band - band |
| DFJ2AW | band - band |
| D225AB | band - band |
| DFJ1AW | band - band |
| D225AB-LK00 | band - link |
| D225CB-LK00 | band - link |
| DFJ1AW-BK00 | clasp - clasp |
| DFJ2AW-BK00 | clasp - clasp |
| D225CB-BK00 | clasp - clasp |
| D225CB-BKLK-12H | clasp - parts for buckle/clasp |
| D225CB-BKLK-6H | clasp - parts for buckle/clasp |
| D225AB-BK00 | clasp - clasp |
| D225AB-BKLK-12H | clasp - parts for buckle/clasp |
| D225AB-BKLK-6H | clasp - parts for buckle/clasp |
| 1CF037S0BDS | others - hour hand |
| 2CF055S0BDS | others - minute hand |
| A100BS | others - push pin (for mb) |
| A110BS | others - push pin (for mb) |
| 1F200BX0XS13 | others - dial |
| 1F200BX0XS23 | others - dial |
| 1F200BX0XZ13 | others - dial |
| 1F200BX0XZ23 | others - dial |
| 1F205 | others - machine code |
| 82845020 | others - case ring |
| 1F200BK0 | others - case back |
| 1F200BK001A | others - case |
| AC004BAD1 | others - crown and stem gasket |
| D225AB-BKPP | others - spring bar for buckle/clasp |
| 1F200BK002A | others - case |
| 0351807 | others - winding stem |
| D225CB-BKPN | others - pin for buckle/clasp |
| D225CB-BKPP | others - spring bar for buckle/clasp |
| D225CB-EP00 | others - endpiece |
| D225AB-LKPN | others - pin for link |
| 1F200BK003A | others - case |
| D225CB-LKPN | others - pin for link |
Caliber 1F20
