The Seiko Y100-5589 is a watch model based on the Y100 movement.
Parts List
| SAAN64GN00 | crystal |
| 30MP0NF3 | crown |
| 0A2600B01 | case back gasket |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0A2600B | case back gasket |
| 7BS9ZY | band - leather band |
| 09C04DGH | hand - hour hand |
| 09C04DGM | hand - minute hand |
| A120BS | others - push pin (for lb) |
| 0354765 | others - winding stem |
| 82715260 | others - case ring |
| Y10055892S | others - case |
| Y1005810XA1S | others - dial |