The Seiko Y520-5A70 is a watch model based on the Y520 movement.
Parts List
| SA0A98JR02 | crystal - crystal |
| 35MV4NS1 | crown - crown |
| 35MV4NF1 | crown - crown |
| 0E180NA1S | case back gasket - case back gasket |
| E048AB | band - band |
| E048BB | band - band |
| 04VC0ASM | others - minute hand |
| 1CA030F6BNG | others - hour hand |
| 1CA030F6BAC | others - hour hand |
| 04VC0NGM | others - minute hand |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 0351930 | others - winding stem |
| 82738560 | others - case ring |
| Y5205A7075 | others - case |
| Y5205A7079 | others - case |
| Y5200 | others - machine code |
| Y5200C40XG14 | others - dial |
| Y5200C50XS13 | others - dial |
| EZ0035B01 | others - crown and stem gasket |