The Seiko A904-5170 is a watch model based on the A904 movement.
Parts List
| ES8W02LN01 | crystal - crystal |
| 86560320 | case back gasket - plastic gasket for case back |
| EG0115B01 | case back gasket - button gasket |
| 86573300 | crystal gasket - plastic gasket for crystal |
| 80600369 | pusher - button |
| G1287S | band - metal band |
| A180BS | others - push pin |
| A9041 | others - machine code |
| A90451009999 | others - panel cover |
| A904510A9989 | others - panel cover |
| A9045170 | others - case back |
| A904517061 | others - case |
| A904517061A | others - case |