The Seiko Y520-5A50 is a watch model based on the Y520 movement.
Parts List
| ES1A92JC02 | crystal - crystal |
| 40MC8MD1 | crown - crown |
| 40MC8NB1 | crown - crown |
| 40MC8NS1 | crown - crown |
| 0E140NA1S | case back gasket - case back gasket |
| W059AB | band - band |
| W060BB | band - band |
| W061BB | band - band |
| 03V26AMH | others - hour hand |
| 03V26NSH | others - hour hand |
| 04VB8AMM | others - minute hand |
| 04VB8NSM | others - minute hand |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 0351930 | others - winding stem |
| 82738000 | others - case ring |
| Y5205A507E | others - case |
| Y5205A507S | others - case |
| Y5205A507SA | others - case |
| EZ0035B01 | others - crown and stem gasket |