The Seiko 1E20-0690 is a watch model based on the 1E20 movement.
Parts List
| 125N12SK01 | crystal |
| 30MB0NA1 | crown - crown |
| 0H1200N01 | case back gasket |
| HZ47A | band - metal band |
| HZ48A | band - metal band |
| 04V06CGM | others - minute hand |
| 0351931 | others - winding stem |
| 81609399 | others - bracelet fixing pin |
| 82732560 | others - case ring |
| 1E200690 | others - case back |
| 1E20069026 | others - case |
| 1E2006902N | others - case |
| 1E202120XA19 | others - dial |
| 1E208 | others - machine code |
| 04VA6AGH | others - hour hand |
| DZ0041B01 | others - crown and stem gasket |
Caliber 1E20
