The Seiko 8N40-5050 is a watch model based on the 8N40 movement.
Parts List
| RE0A29S20A | crystal |
| RE0A29S20B | crystal |
| 30M71NG4 | crown - crown |
| 0F240BAA3 | case back gasket - case back gasket |
| AB35B | band - metal band |
| LK57E | band - leather band |
| 0351387 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |
| 08T01DGM | others - minute hand |
| 82843550 | others - case ring |
| 89940095 | others - back plate |
| 8N4013 | others - machine code |
| 8N405050 | others - case back |
| 8N40505050A | others - case |
| 8N40505050B | others - case |
| 8N405070XN14 | others - dial |
| 8N405080XS14 | others - dial |
| A190BS | others - push pin |
| 09T25JGM | others - minute hand |
| 2BE095LABDG | others - minute hand |
| 09T25JGH | others - hour hand |
| 09T85JGH | others - hour hand |
| 08T01DGH | others - hour hand |
Other models with the same movement