The Seiko 5Y30-7039 is a watch model based on the 5Y30 movement.
Parts List
| 280N10JM01 | crystal |
| 280N10JM | crystal |
| 30MA6NA1 | crown - crown |
| 0H2520N01 | case back gasket - case back gasket |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0G0055B0 | case back gasket |
| GPA09Y | band - leather band |
| 82802420 | others - case ring |
| 5Y307039 | others - case back |
| 5Y3070391B | others - case |
| 5Y307178XB14 | others - dial |
| 5Y309 | others - machine code |
| A180BS | others - push pin |
| 0351670 | others - winding stem |
| 11T30DAM | others - minute hand |
| 11T30DAH | others - hour hand |