The Seiko 1F21-0L00 is a watch model based on the 1F21 movement.
Parts List
| 210A52SR02 | crystal - crystal |
| 6M35A2SNGA | crown - crown |
| 0F200NA1S | case back gasket - case back gasket |
| DB34BB | band - band |
| 10ST04DG | others - second hand |
| 1BB055A1BAF | others - hour hand |
| 2BB085A1BAF | others - minute hand |
| A130AS | others - push pin (for lb) |
| 1F212R80XG14 | others - dial |
| 1F215 | others - machine code |
| DZ0040B01 | others - crown and stem gasket |
| 0351400 | others - winding stem |
| 1F210L0075 | others - case |
| 82837000 | others - case ring |
| 1F210L00 | others - case back |