The Seiko 5P39-5A50 is a watch model based on the 5P39 movement.
Parts List
| SAEN42JN01 | crystal |
| SAEN42JN | crystal |
| 30MD6NA1 | crown |
| 0G0055B01 | case back gasket - crown and stem gasket |
| 0H2600N01 | case back gasket - case back gasket |
| 0H2600N0 | case back gasket |
| BNJ03G | band - leather band |
| BNJ34G | band |
| 10T08DGM | others - minute hand |
| 0801727 | others - date dial |
| 5P395A30XG14 | others - dial |
| 5P395A50GRA | others - case |
| 5P399 | others - machine code |
| 82803320 | others - case ring |
| A170BS | others - push pin |
| 0351670 | others - winding stem |
| 10T04N1H | others - hour hand |
| 1BA070A0BNG | others - hour hand |