The Seiko Y101-5260 is a watch model based on the Y101 movement.
Parts List
| SA6W78GN00 | crystal |
| 35M82NF1 | crown |
| 0A2700B01 | case back gasket - gasket |
| 86568900 | crystal gasket |
| JL78A | band - leather band |
| 09C62NGH | others - hour hand |
| 0354765 | others - winding stem |
| A180BS | others - push pin |
| 09C62NGM | others - minute hand |
| 0Z0060B01 | others - crown and stem gasket |