The Seiko Y101-6150 is a watch model based on the Y101 movement.
Parts List
| 270N52GN00 | crystal |
| 35M98NF1 | crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0G2500B01 | case back gasket - case back gasket |
| GL90B | band - leather band |
| GL91B | band - leather band |
| 0354765 | others - winding stem |
| A160BS | others - push pin |
| 11C22NGM | others - minute hand |
| 11C22NGH | others - hour hand |