The Seiko W671-4050 is a watch model based on the W671 movement.
Parts List
| SA0P33L20A | crystal - crystal |
| 0F300NEA1 | case back gasket - case back gasket |
| 86640370 | crystal gasket - plastic gasket for crystal |
| 80710714 | pusher - button |
| 80710694 | pusher |
| 6A89JZ | band - band |
| 6A88JZ | band - band |
| 6A86JZ | band - band |
| 6A87JZ | band - band |
| AD006BA11 | others - crown and stem gasket |
| 81350760 | others - button spring (front) |
| 81518099 | others - case back screw |
| 81351639 | others - button spring |
| W6714050 | others - case back |
| T160BS | others - push pin |
| W6714050SLA | others - case |
| W6714050SLB | others - case |
| W6714050SLC | others - case |
| W6714050SLD | others - case |
| 83200211 | others - button spring clip |
Other models with the same movement