The Seiko 1E20-2250 is a watch model based on the 1E20 movement.
Parts List
| 120A05JN02 | crystal - crystal |
| 6M25A3SNG0 | crown - crown |
| 6M25A3SNS0 | crown - crown |
| 0F100BA1S | case back gasket - case back gasket |
| XX000 | band - band |
| 1CH027SMBDS | others - hour hand |
| 2EH040SABDG | others - minute hand |
| 2EH040SABDS | others - minute hand |
| DB004BAD1 | others - crown and stem gasket |
| 81606439 | others - bracelet fixing pin |
| 82836630 | others - case ring |
| 81190875 | others - bracelet fixing pipe |
| 1E20225076A | others - case |
| 1E202250 | others - case back |
| 1E2022507EA | others - case |
| 1E205470XS14 | others - dial |
| 1E205470XS23 | others - dial |
| 1E208 | others - machine code |
| 0351931 | others - winding stem |
| 1CH027SMBDG | others - hour hand |
Caliber 1E20
