The Seiko A439-4000 is a watch model based on the A439 movement.
Parts List
| BA0W61LZ10 | crystal |
| BA0W61LZ50 | crystal |
| BA0W61LZ60 | crystal |
| EA0090B01 | case back gasket - button gasket |
| 0J3150B0A | case back gasket |
Other models with the same movement
| A439-4010 |
| A439-401A |