The Seiko Y101-5080 is a watch model based on the Y101 movement.
Parts List
| ES7N76GN00 | crystal |
| 35M98NS1 | crown |
| 35M98NF1 | crown |
| 0A2600B01 | case back gasket |
| 0G0055B01 | case back gasket - crown and stem gasket |
| AL83B | band - leather band |
| AL84B | band - leather band |
| AL88B | band - leather band |
| 11C48NSM | others - minute hand |
| 11C24NSH | others - hour hand |
| 0354765 | others - winding stem |
| A180BS | others - push pin |
| 13SC04A2 | others - second hand |
| 11C48NGM | others - minute hand |
| 11C24NGH | others - hour hand |