The Seiko 5Y39-1040 is a watch model based on the 5Y39 movement.
Parts List
| 270WC1HK | crystal |
| 270WC1HK01 | crystal |
| 38E01NA2 | crown - crown |
| 0F250BAA5 | case back gasket - case back gasket |
| 0F250BAA | case back gasket |
| 86564990 | crystal gasket |
| 86170500 | bezel gasket - plastic gasket for bezel |
| ZJA36S | band |
| ZJJ46G | band |
| 82812490 | others - case ring |
| 0801740 | others - date dial |
| 5Y391040 | others - case back |
| 5Y39104075 | others - case |
| 5Y391040SA | others - case |
| 5Y39106LX924 | others - dial |
| 5Y39106LXS14 | others - dial |
| 82351411 | others - bezel |
| 82351415 | others - bezel |
| A130BS | others - push pin |
| 0351105 | others - winding stem |
| EB0055B0A | others - crown and stem gasket |
| 11PJ7KAM | others - minute hand |
| 11PJ7KLH | others - hour hand |