The Seiko Y591-5210 is a watch model based on the Y591 movement.
Parts List
| SACN96GN00 | crystal |
| 35MP8NF1 | crown |
| 0H2001N01 | case back gasket |
| DK79B | band - leather band |
| DK80B | band - leather band |
| 08T02NGH | others - hour hand |
| 08T02NGM | others - minute hand |
| 08SC14NG | others - second hand |
| A120BS | others - push pin (for lb) |
| 0354705 | others - winding stem |
| EZ0058B01 | others - crown and stem gasket |