The Seiko 5P39-6A40 is a watch model based on the 5P39 movement.
Parts List
| 255W08JU01 | crystal |
| 255W08JU | crystal |
| 32M02NA1 | crown |
| 0A2600N01 | case back gasket - case back gasket |
| 86571481 | crystal gasket - plastic gasket for crystal |
| Z1335C-LKG | band - link |
| Z1335H-LKG | band - link |
| Z1335C | band - band |
| Z1335H | band - band |
| Z1335H-PB1 | clasp - parts for buckle/clasp |
| Z1335C-PB1 | clasp - parts for buckle/clasp |
| Z1335H-BK4G | clasp - clasp |
| Z1335C-BK4S | clasp - clasp |
| 11T42CAH | others - hour hand |
| 11T42CAM | others - minute hand |
| 11T42DGH | others - hour hand |
| 11T42DGM | others - minute hand |
| 82802780 | others - case ring |
| 0801797 | others - date dial |
| 0801798 | others - date dial |
| 5P396A40 | others - case back |
| 5P396A406Y | others - case |
| 5P396A40WE | others - case |
| 5P396A40XB14 | others - dial |
| 5P396A40XS14 | others - dial |
| 5P399 | others - machine code |
| 0351670 | others - winding stem |
| 81180229 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 0Z0060B01 | others - crown and stem gasket |