The Seiko Y101-5300 is a watch model based on the Y101 movement.
Parts List
| ES6W78GN | crystal |
| RE4N72GN00 | crystal - crystal (inorganic) |
| 30MP2NF3 | crown - crown |
| 0H2520B01 | case back gasket |
| GL71B | band - leather band |
| 0354765 | others - winding stem |
| A180BS | others - push pin |