The Seiko 5Y39-7A30 is a watch model based on the 5Y39 movement.
Parts List
| 280WB1JN01 | crystal |
| 280A03JN02 | crystal - crystal (inorganic) |
| 280WB1JN | crystal |
| 280A03JN | crystal |
| 32M01NN1 | crown |
| 0F230BAA | case back gasket |
| 0F230BAA3 | case back gasket - case back gasket |
| B1653C | band |
| NL | band |
| B1653G | band |
| EB0055B01 | others - crown and stem gasket |
| 0351670 | others - winding stem |
| 12T27CGM | others - minute hand |
| 12T27CGH | others - hour hand |
| 10T11CGM | others - minute hand |
| 10T11CGH | others - hour hand |