The Seiko 1E20-0670 is a watch model based on the 1E20 movement.
Parts List
| 100N04SN01 | crystal - crystal |
| 30M98NJ1 | crown - crown |
| 0H1000N01 | case back gasket - case back gasket |
| 03V20DSM | hand - minute hand |
| 04V10NCH | hand - hour hand |
| 1E2006701E | others - case |
| 1E202070XN13 | others - dial |
| 1E208 | others - machine code |
| 0351931 | others - winding stem |
| 82722960 | others - case ring |
| DZ0041B01 | others - crown and stem gasket |
Caliber 1E20
