The Seiko A904-507B is a watch model based on the A904 movement.
Parts List
| SA8W16LM02 | crystal |
| FH2882B0A | case back gasket - case back gasket |
| 80601523 | pusher |
| EC0060B0A | others - button gasket |
| SA8W16LM02 | crystal |
| FH2882B0A | case back gasket - case back gasket |
| 80601523 | pusher |
| EC0060B0A | others - button gasket |