The Seiko A904-5019 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 |
| 80600361 | pusher |
| G1178F | band |
| 43Q8WG | band - band |
| 43Q8WG-LKG | band - link |
| G11785 | band - metal band |
| G11785-LKG | band - link |
| G11785-PB1 | clasp - parts for buckle/clasp |
| G11785-BK1G | clasp - clasp |
| 43Q8WG-BK1G | clasp - buckle |
| 43Q8WG-PB1 | clasp - parts for buckle |
| A180BS | others - push pin |
| A9041 | others - machine code |
| A90450009999 | others - panel cover |
| A90450196B | others - case |