The Seiko Y101-607B is a watch model based on the Y101 movement.
Parts List
| 250N04AN00 | crystal |
| 30M38NF1 | crown |
| FH2680B01 | case back gasket |
| HL99C | band - leather band |
| 0354765 | others - winding stem |
| A160BS | others - push pin |
| 10T04EGH | others - hour hand |
| 10T04EGM | others - minute hand |