The Seiko Y131-6150 is a watch model based on the Y131 movement.
Parts List
| 220N56AN01 | crystal |
| 30M38NF1 | crown |
| 30M60NK1 | crown |
| 30M60NS1 | crown |
| FH2381B01 | case back gasket - case back gasket |
| DL91F | band - leather band |
| HK99A | band - leather band |
| KL85E | band - leather band |
| HK70B | band - metal band |
| A110BS | others - push pin (for mb) |
| 0354786 | others - winding stem |
| 02SC52RN | others - second hand |
| 04SC50XB | others - second hand |
| 07SC50XP | others - second hand |
| 08CP6FBH | others - hour hand |
| 08CP6FBM | others - minute hand |
| 08CR6ADM | others - minute hand |
| 08CR6ANH | others - hour hand |
| 08CT2FBH | others - hour hand |
| 08CT2FBM | others - minute hand |
| 09CR0FBH | others - hour hand |
| 09CR0FGM | others - minute hand |