The Seiko 5A70-5020 is a watch model based on the 5A70 movement.
Parts List
| SABN36SN00 | crystal |
| 22M04NE3 | crown |
| 0H1860N01 | case back gasket - case back gasket |
| WI099 | others - other band |
| 81501405 | others - case back screw |
| 06V26DGH | others - hour hand |
| DZ0041B01 | others - crown and stem gasket |