The Seiko 1E20-0230 is a watch model based on the 1E20 movement.
Parts List
| 195N12GN00 | crystal |
| 30M86NS1 | crown |
| 0H1000N01 | case back gasket - case back gasket |
| 86572960 | crystal gasket - plastic gasket for crystal |
| 86572980 | bezel gasket |
| DE04A | band - metal band |
| DK56B | band - leather band |
| 07V44NSH | others - hour hand |
| 0354931 | others - winding stem |
| 81180229 | others - bracelet fixing pipe |
| 82722960 | others - case ring |
| 81602889 | others - bracelet fixing pin |
| 1E2002302L | others - case |
| 1E200670XS19 | others - dial |
| 1E208 | others - machine code |
| 82311841 | others - bezel |
| 07V48NSM | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |
Caliber 1E20
