The Seiko 1E20-0340 is a watch model based on the 1E20 movement.
Parts List
| 105W02JN01 | crystal - crystal |
| 30MB2ES1 | crown - crown |
| 0F100NA12 | case back gasket - case back gasket |
| 86574460 | crystal gasket |
| GZ11A | band - band |
| 04V10FBH | others - hour hand |
| 04V10FBM | others - minute hand |
| 1E200980XS19 | others - dial |
| 1E208 | others - machine code |
| 81606439 | others - bracelet fixing pin |
| 81180229 | others - bracelet fixing pipe |
| 82722960 | others - case ring |
| 1E20034061 | others - case |
| 0351931 | others - winding stem |
| 0354930 | others - winding stem |
Caliber 1E20
