The Seiko 5Y39-7A90 is a watch model based on the 5Y39 movement.
Parts List
| 285WA9JN01 | crystal |
| 285WA9JN | crystal |
| 285W52LN01 | crystal - crystal |
| 32M69NN1 | crown |
| 0F240BAA3 | case back gasket - case back gasket |
| 0F240BAA | case back gasket |
| B1747G | band |
| B1747G-LKG | band - link |
| B1747G-BK4G | clasp - clasp |
| EB0055B01 | others - crown and stem gasket |
| 0351670 | others - winding stem |
| 82812510 | others - case ring |
| 0801727 | others - date dial |
| 0801737 | others - date dial |
| 5Y396B | others - machine code |
| 5Y397A90 | others - case back |
| 5Y397A9075 | others - case |
| 5Y397B70XB14 | others - dial |
| 5Y397B70XG24 | others - dial |
| A160BS | others - push pin |
| 10T09DGH | others - hour hand |
| 10T09DGM | others - minute hand |