The Seiko 5Y39-7B1A is a watch model based on the 5Y39 movement.
Parts List
| 285WC1JM02 | crystal |
| 285WC1JM | crystal |
| 32M69NN1 | crown |
| 0F240BAA3 | case back gasket - case back gasket |
| 0F240BAA | case back gasket |
| B1747G | band |
| B1747H | band |
| B1747G-LKG | band - link |
| B1747H-LKG | band - link |
| B1747G-BK4G | clasp - clasp |
| B1747H-BK4G | clasp - clasp |
| 82812510 | others - case ring |
| 0801737 | others - date dial |
| 5Y396B | others - machine code |
| 5Y397B1A | others - case back |
| 5Y397B1A75 | others - case |
| 5Y397B1AWE | others - case |
| 5Y397B80XB14 | others - dial |
| A160BS | others - push pin |
| EB0055B01 | others - crown and stem gasket |
| 0351670 | others - winding stem |
| 11T39DGH | others - hour hand |
| 11T39DGM | others - minute hand |