The Seiko 1E20-00B0 is a watch model based on the 1E20 movement.
Parts List
| 0F120BAD2 | case back gasket - case back gasket |
| W520AB | band - metal band |
| W520DB | band - metal band |
| 81190875 | others - bracelet fixing pipe |
| 81606239 | others - bracelet fixing pin |
| DZ0040B01 | others - crown and stem gasket |
Caliber 1E20
