The Seiko H557-525A is a watch model based on the H557 movement.
Parts List
| SA4W88GM01 | crystal - crystal |
| 45E20NS1 | crown |
| 0C2980B0A | case back gasket - case back gasket |
| 86565680 | crystal gasket - plastic gasket for crystal |
| 80613149 | pusher - button |
| GA46A | band - band |
| 0354655 | others - winding stem |
| H557525A61 | others - case |
| 84303463 | others - dial ring |
| A200CS | others - push pin |
| H5571 | others - machine code |
| H557535LXN13 | others - dial |
| 81350460 | others - button spring |
| EC0060B0A | others - button gasket |
| 0A0150B0A | others - crown and stem gasket |
| 89995390 | others - pusher spacer |