The Seiko 5Y39-8A30 is a watch model based on the 5Y39 movement.
Parts List
| 285N19JN01 | crystal - crystal |
| 285N21HN01 | crystal - crystal (inorganic) |
| 285N19JN | crystal |
| 32M69NA1 | crown |
| 0H2700B0 | case back gasket |
| 0H2700B01 | case back gasket - case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| BPJ91G | band |
| 0351670 | others - winding stem |
| 0801727 | others - date dial |
| 5Y398A30 | others - case back |
| 5Y398A30GR | others - case |
| 5Y398A70XG14 | others - dial |
| 82821710 | others - case ring |
| A180BS | others - push pin |
| 2BA120A1BDG | others - minute hand |
| 12T07DGM | others - minute hand |
| 1BA080A1BNG | others - hour hand |
| 12T07NGH | others - hour hand |