The Seiko A904-5009 is a watch model based on the A904 movement.
Parts List
| ES8W02LN01 | crystal - crystal |
| ES8W02LN | crystal |
| EG0115B0 | case back gasket |
| 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 |
| 80600361 | pusher |
| G1178S | band - metal band |
| Z1254G | band - metal band |
| Z1254G-LKG | band - link |
| Z1254G-PB1 | clasp - parts for buckle/clasp |
| Z1254G-BK1G | clasp - clasp |
| Z1254G-EPG | others - endpiece |
| A180BS | others - push pin |
| A9041 | others - machine code |
| A904500961 | others - case |
| A904500975 | others - case |
| A904500A9989 | others - panel cover |
| A904500B9979 | others - panel cover |