The Seiko Y102-5210 is a watch model based on the Y102 movement.
Parts List
| K02N50GN00 | crystal |
| 35M98NS1 | crown |
| 35M98NF1 | crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0A2400B01 | case back gasket |
| JK89A | band - leather band |
| JK90A | band - leather band |
| 0354765 | others - winding stem |
| A160BS | others - push pin |
| 09C72AGM | others - minute hand |
| 13SC04A2 | others - second hand |
| 09C72ASH | others - hour hand |
| 09C72ASM | others - minute hand |
| 09C72AGH | others - hour hand |
| K02N50GN00 | crystal |
| 35M98NS1 | crown |
| 35M98NF1 | crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0A2400B01 | case back gasket |
| JK89A | band - leather band |
| JK90A | band - leather band |
| 0354765 | others - winding stem |
| A160BS | others - push pin |
| 09C72AGM | others - minute hand |
| 13SC04A2 | others - second hand |
| 09C72ASH | others - hour hand |
| 09C72ASM | others - minute hand |
| 09C72AGH | others - hour hand |