The Seiko Y131-6610 is a watch model based on the Y131 movement.
Parts List
| 210N08LN01 | crystal |
| 35MP8NG1 | crown |
| 0H2001B03 | case back gasket |
| HL80F | band - leather band |
| XHL80F | band - leather band |
| A130AS | others - push pin (for lb) |
| 0354786 | others - winding stem |
| 08CT4FAH | others - hour hand |
| 08CT4NBH | others - hour hand |
| 08CT4NBM | others - minute hand |
| 08CT4FAM | others - minute hand |
| 08CT4FWM | others - minute hand |
| 08CT4FWH | others - hour hand |
| 12SC50FB | others - second hand |