The Seiko 5Y39-7A40 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 |
| B1656G | band |
| B1656C | band |
| B1656G-LKG | band - link |
| B1656G-BK4G | clasp - clasp |
| 2BC110AABAA | hand - minute hand |
| 10T45AGM | others - minute hand |
| 2BC105A1BAA | others - minute hand |
| EB0055B01 | others - crown and stem gasket |
| 5Y397A40 | others - case back |
| 5Y397A4075 | others - case |
| 5Y397A80XS14 | others - dial |
| A160B1 | others - push pin |
| A160BS | others - push pin |
| 0351670 | others - winding stem |
| 82812510 | others - case ring |
| 12T23DGM | others - minute hand |
| 12T27CGM | others - minute hand |
| 10T45AGH | others - hour hand |
| 12T23DGH | others - hour hand |
| 1BC075A1BAA | others - hour hand |
| 11T29AGH | others - hour hand |
| 12T27CGH | others - hour hand |