The Seiko W650-4170 is a watch model based on the W650 movement.
Parts List
| K00P23L20A | crystal - crystal |
| K00P23L20B | crystal - crystal |
| K00P23L20C | crystal - crystal |
| K00P23L20D | crystal - crystal |
| 0F300BED1 | case back gasket - case back gasket |
| 86640250 | crystal gasket - plastic gasket for crystal |
| 80710270 | pusher - button |
| 80710274 | pusher - button |
| HC7Z01PMS0 | pusher - front button |
| WQ40AB | band - band |
| FE48AB | band - band |
| FE47AB | band - band |
| FEV0AB | band - band |
| FE49AB | band - band |
| FE50AB | band - band |
| FE51AB | band - band |
| FES8AB | band - band |
| FES9AB | band - band |
| W6504170N2L | others - case |
| T160BS | others - push pin |
| W6504170N2J | others - case |
| W6504170N2K | others - case |
| W6504170N2F | others - case |
| W6504170N2G | others - case |
| W6504170N2H | others - case |
| W6504170N2E | others - case |
| W6504170N2D | others - case |
| AD006BA11 | others - crown and stem gasket |
| 83200219 | others - button spring clip |
| 81350760 | others - button spring (front) |
| 81518099 | others - case back screw |
| 81351639 | others - button spring |
| W6504170N2A | others - case |
| W6504170N2B | others - case |
| W6504170N2C | others - case |