The Seiko Y520-5A30 is a watch model based on the Y520 movement.
Parts List
| RE1A52JR02 | crystal - crystal |
| 6M40A0NMG1 | crown - crown |
| 6M40A0NMW1 | crown - crown |
| 0E140NA1S | case back gasket - case back gasket |
| EA88BG | band - leather band |
| EA89AG | band - leather band |
| E053AB | band - band |
| E053BB | band - band |
| 04V24NGM | others - minute hand |
| 04V24NSM | others - minute hand |
| 0351930 | others - winding stem |
| 82738000 | others - case ring |
| Y5205A3075 | others - case |
| T090AS | others - push pin |
| Y5200 | others - machine code |
| Y5205A20XS14 | others - dial |
| Y5205A20XS23 | others - dial |
| Y5205A3079 | others - case |
| EZ0035B01 | others - crown and stem gasket |
| 04V10NGH | others - hour hand |
| 04V10NSH | others - hour hand |