The Seiko 8N40-6090 is a watch model based on the 8N40 movement.
Parts List
| 270A02SN02 | crystal - crystal |
| 25M25DA5 | crown - crown (3h) |
| 0F220BAA3 | case back gasket - case back gasket |
| 0H2600B01 | case back gasket - case back gasket |
| QB63A | band - metal band |
| 1BB080A1BNG | others - hour hand |
| 0351388 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 82843630 | others - case ring |
| 8N4013 | others - machine code |
| 8N406090 | others - case back |
| 8N40609098A | others - case |
| 8N406170XS14 | others - dial |
| A170BS | others - push pin |
| 2BB115A1BDG | others - minute hand |
Other models with the same movement