The Seiko W650-4140 is a watch model based on the W650 movement.
Parts List
| K00P15L20A | crystal - crystal |
| K00P15L20B | crystal - crystal |
| K00P15L20C | crystal - crystal |
| 0F300BED1 | case back gasket - case back gasket |
| 86640250 | crystal gasket - plastic gasket for crystal |
| 80710270 | pusher - button |
| 80710274 | pusher - button |
| 80710275 | pusher - button |
| 80710276 | pusher - button |
| 6A50JB | band - band |
| 6A51JB | band - band |
| 6A52JB | band - band |
| 6A49JB | band - band |
| W6504140N2D | others - case |
| W6504140SLA | others - case |
| W6504140 | others - case back |
| W6504140SLB | others - case |
| T160BS | others - push pin |
| W6504140N2A | others - case |
| W6504140N2B | others - case |
| W6504140N2C | others - case |
| AD006BA11 | others - crown and stem gasket |
| 81350760 | others - button spring (front) |
| 81518099 | others - case back screw |
| 81351639 | others - button spring |
| 83200211 | others - button spring clip |