The Seiko Y101-5170 is a watch model based on the Y101 movement.
Parts List
| RE3N86AN00 | crystal |
| 30MP2NF3 | crown - crown |
| 30MP2NS3 | crown |
| 0A2300B01 | case back gasket |
| 0G0055B01 | case back gasket - crown and stem gasket |
| GE71A | band - metal band |
| AK77A | band - leather band |
| AK78AB | band - leather band |
| GE72A | band - metal band |
| 08SC16AG | others - second hand |
| 07C28ABH | others - hour hand |
| 0354765 | others - winding stem |
| A180BS | others - push pin |
| 07C28ABM | others - minute hand |
| 07C44AQH | others - hour hand |
| 13SC04ES | others - second hand |
| 08SC16ES | others - second hand |
| 07C44AQM | others - minute hand |