The Seiko 1F21-0L40 is a watch model based on the 1F21 movement.
Parts List
| 200A29SN02 | crystal - crystal (sapphire) |
| 6M30E5SNS0 | crown - crown |
| 0F190BA1S | case back gasket - case back gasket |
| 49711Z | band - band |
| 1BA055A3BAW | others - hour hand |
| 1BA055A3BNB | others - hour hand |
| 2BA085A3BAW | others - minute hand |
| 2BA085A3BNB | others - minute hand |
| 3BA090F1BAW | others - second hand |
| 3BA090F1BAB | others - second hand |
| 0351807 | others - winding stem |
| DB004BAD1 | others - crown and stem gasket |
| 81604259 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 1F210L4001A | others - case |
| 82821200 | others - case ring |
| 1F210L40 | others - case back |
| 1F212A60XB13 | others - dial |
| 1F212A60XS13 | others - dial |
| 1F215 | others - machine code |