The Seiko 5Y39-6A40 is a watch model based on the 5Y39 movement.
Parts List
| 270WC1HK | crystal |
| 270WC1HK01 | crystal |
| 38E01NA2 | crown - crown |
| 0F260BAA1 | case back gasket - case back gasket |
| 0F260BAA | case back gasket |
| 86564990 | crystal gasket |
| G1400G | band |
| G1400G-LKG | band - link |
| G1400G-PB1 | clasp - parts for buckle/clasp |
| G1400G-BK2G | clasp - clasp |
| 12T29AAM | others - minute hand |
| 12T29NGH | others - hour hand |
| 0351105 | others - winding stem |
| EB0055B0A | others - crown and stem gasket |
| 82812510 | others - case ring |
| 5Y396A40 | others - case back |
| 5Y396A4075 | others - case |
| 5Y396A50X914 | others - dial |
| 5Y396A50XS14 | others - dial |
| A130BS | others - push pin |