The Seiko 4N20-0690 is a watch model based on the 4N20 movement.
Parts List
| 175A03SN02 | crystal |
| 6M30Y1SNG0 | crown |
| 6M30Y1SNW0 | crown |
| 0F150BAA5 | case back gasket - case back gasket |
| DB31B | band - metal band |
| DB32B | band - metal band |
| 1CH047A1BNS | others - hour hand |
| 2CH070A1BDS | others - minute hand |
| 0351155 | others - winding stem |
| 81606439 | others - bracelet fixing pin |
| 81181459 | others - bracelet fixing pipe |
| 81606459 | others - bracelet fixing pin |
| 82841030 | others - case ring |
| 4N200690 | others - case back |
| 4N20069061A | others - case |
| 4N200690SAA | others - case |
| 4N201170XS14 | others - dial |
| 4N201180XS19 | others - dial |
| 4N2061 | others - machine code |
| 81116579 | others - pipe |
| DZ0040B01 | others - crown and stem gasket |
| 2CB070A1BDG | others - minute hand |
| 1CB047A1BNG | others - hour hand |