The Seiko W671-4140 is a watch model based on the W671 movement.
Parts List
| SA0P33L50A | crystal - crystal |
| 0F300NEA1 | case back gasket - case back gasket |
| 86640370 | crystal gasket - plastic gasket for crystal |
| 80710714 | pusher - button |
| FDL8AZ | band - band |
| W6714140SLA | others - case |
| T160BS | others - push pin |
| AD006BA11 | others - crown and stem gasket |
| 81350760 | others - button spring (front) |
| 81351999 | others - button spring |
| 81518099 | others - case back screw |
| 83200211 | others - button spring clip |
Other models with the same movement
| W671-4000 |
| W671-4010 |
| W671-4030 |
| W671-4040 |
| W671-4050 |
| W671-4060 |
| W671-4090 |
| W671-4100 |
| W671-4120 |
| W671-4130 |
| W671-4150 |
| W671-4160 |
| W671-4170 |
| W671-4180 |
| W671-4190 |
| W671-4210 |