The Seiko 5Y39-5A70 is a watch model based on the 5Y39 movement.
Parts List
| REKN03JV | crystal |
| REKN03JV01 | crystal |
| 32M25NN1 | crown |
| 0H2700B0 | case back gasket |
| 0H2700B01 | case back gasket - case back gasket |
| G1362H | band - metal band |
| G1362H-LKG | band - link |
| G1362H-BK4G | clasp - clasp |
| A120BS | others - push pin (for lb) |
| 5Y395A70 | others - case back |
| 5Y395A70HE | others - case |
| 5Y395A90XS14 | others - dial |
| 82830230 | others - case ring |
| EB0055B01 | others - crown and stem gasket |
| EB0055B0 | others - crown gasket |
| 08T17DGM | others - minute hand |
| 08T17DGH | others - hour hand |