The Seiko Y102-6120 is a watch model based on the Y102 movement.
Parts List
| 240W52LN01 | crystal |
| 45MP0N01 | crown |
| 45MP0NS1 | crown - crown |
| 86575540 | case back gasket |
| 86575520 | crystal gasket - crystal plastic gasket |
| GA70B | band - metal band |
| AK73B | band - leather band |
| 0354765 | others - winding stem |
| 0G270BA12 | others - rotating bezel gasket |
| A180CS | others - push pin |
| 10TP4LGH | others - hour hand |
| 10TP4LGM | others - minute hand |
| 0Z0060B01 | others - crown and stem gasket |