The Seiko 1F21-0L10 is a watch model based on the 1F21 movement.
Parts List
| 160A18JZ0B | crystal - crystal |
| 160A18JZ0C | crystal - crystal |
| 30ML2NA1 | crown |
| 30ML2NS1 | crown - crown |
| 0F130BA1S | case back gasket - case back gasket |
| 4903JZ-LK2 | band - link |
| 4903KZ-LK4 | band - link |
| 4903JZ | band - band |
| 4903KZ | band - band |
| 4903JZ-BKK | clasp - buckle |
| 4903KZ-BKN | clasp - buckle |
| 1BA037A7BNG | others - hour hand |
| 1BA037A7BNS | others - hour hand |
| 2BA055A5BNG | others - minute hand |
| 2BA055A5BNS | others - minute hand |
| 3BA075F1BNG | others - second hand |
| 3BA075F1BNS | others - second hand |
| 0351807 | others - winding stem |
| 81606439 | others - bracelet fixing pin |
| 81190875 | others - bracelet fixing pipe |
| 82813320 | others - case ring |
| 1F210L1075Z | others - case |
| 1F210L10 | others - case back |
| 1F210L1079Y | others - case |
| 1F210L1079Z | others - case |
| 1F211K88XB13 | others - dial |
| 1F211K88XB24 | others - dial |
| 1F211K88XS13 | others - dial |
| 1F215 | others - machine code |
| EZ0035B01 | others - crown and stem gasket |