The Seiko 1F21-0AM0 is a watch model based on the 1F21 movement.
Parts List
| K03A26SB0A | crystal - crystal (sapphire) |
| 6K35Z2SNWA | crown - crown |
| 6K35Z2SNWD | crown - crown |
| 6K35Z2SNWB | crown - crown |
| 0F150BAD2 | case back gasket - case back gasket |
| DFJ8AB | band - band |
| D279CB | band - band |
| D279AB-LK00 | band - link |
| D279CB-LK00 | band - link |
| D279AB | band - band |
| DFJ8AB-BK00 | clasp - clasp |
| D279CB-BK00 | clasp - clasp |
| D279CB-BKLK-12H | clasp - parts for buckle/clasp |
| D279CB-BKLK-6H | clasp - parts for buckle/clasp |
| D279AB-BK00 | clasp - clasp |
| D279AB-BKLK-12H | clasp - parts for buckle/clasp |
| D279AB-BKLK-6H | clasp - parts for buckle/clasp |
| 2BH060A0BAN | others - minute hand |
| 1BH040A0BAN | others - hour hand |
| 1BH032A1BNS | others - hour hand |
| 2BH050A1BNS | others - minute hand |
| 1BH040A0BNN | others - hour hand |
| 2BH060A0BNN | others - minute hand |
| 0351807 | others - winding stem |
| AC004BAD1 | others - crown and stem gasket |
| 07SC06DS | others - second hand |
| 1F210AM001A | others - case |
| 82845140 | others - case ring |
| 1F210AM0 | others - case back |
| 1F210AM002A | others - case |
| D279AB-BKPN | others - pin for buckle/clasp |
| D279AB-BKPP | others - spring bar for buckle/clasp |
| 1F210AZ0XS1Z | others - dial |
| 1F210BA0XZ15 | others - dial |
| 1F213 | others - machine code |
| B080BS | others - push pin |
| D279CB-BKPN | others - pin for buckle/clasp |
| D279CB-BKPP | others - spring bar for buckle/clasp |
| D279AB-LKPN | others - pin for link |
| 1F210AM003A | others - case |
| D279CB-LKPN | others - pin for link |