The Seiko 5A70-5520 is a watch model based on the 5A70 movement.
Parts List
| RE0A6SB0B | crystal - crystal |
| 27M02EX3 | crown |
| 0H1970N01 | case back gasket - case back gasket |
| VI235 | band - band |
| 5A7055201E | others - case |
| 81501406 | others - screw |
| 82831085 | others - case ring |
| 0354881 | others - winding stem |
| 06VA2ESH | others - hour hand |
| 06VA2ESM | others - minute hand |
| DZ0041B01 | others - crown and stem gasket |