The Seiko H557-506C is a watch model based on the H557 movement.
Parts List
| ES3W08GN00 | crystal - crystal |
| 40M76NA1 | crown |
| 0A2880N01 | case back gasket - case back gasket |
| 86562501 | crystal gasket - plastic gasket for crystal |
| 80613201 | pusher - button |
| GA45A | band - band |
| 08T28BGH | others - hour hand |
| 08T28BGM | others - minute hand |
| 08SC16AG | others - second hand |
| EG0060B01 | others - button gasket |
| 83200271 | others - button spring clip |
| 0354655 | others - winding stem |
| H557506CSA | others - case |
| 84301385 | others - dial ring |
| A200CS | others - push pin |
| H5571 | others - machine code |
| H557526LXB14 | others - dial |