The Seiko Y101-5209 is a watch model based on the Y101 movement.
Parts List
| SA6W58GN00 | crystal |
| 35M82NF1 | crown |
| 0A2800B01 | case back gasket |
| 7BS9ZY | band - leather band |
| 82715340 | others - case ring |
| A180BS | others - push pin |
| Y10152097S | others - case |
| Y1015330XG18 | others - dial |
| 11C16AGH | others - hour hand |
| 0354765 | others - winding stem |
| 11C16AGM | others - minute hand |
| 13SC04A2 | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| SA6W58GN00 | crystal |
| 35M82NF1 | crown |
| 0A2800B01 | case back gasket |
| 7BS9ZY | band - leather band |
| 82715340 | others - case ring |
| A180BS | others - push pin |
| Y10152097S | others - case |
| Y1015330XG18 | others - dial |
| 11C16AGH | others - hour hand |
| 0354765 | others - winding stem |
| 11C16AGM | others - minute hand |
| 13SC04A2 | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |