The Seiko 2E50-5139 is a watch model based on the 2E50 movement.
Parts List
| REGN09SV | crystal |
| REGN09SV02 | crystal |
| 32N23NA1 | crown |
| 0F130NA1 | case back gasket |
| DA007BA1 | case back gasket |
| 0F130NA11 | case back gasket |
| BEA09G | band - leather band |
| KEZ02G | band - leather band |
| WEA01G | band - leather band |
| 2EE040LCBDG | others - minute hand |
| 1CE027L0BDG | others - hour hand |
| DA007BA11 | others - crown and stem gasket |
| T090AS | others - push pin |
| 2E500100XB14 | others - dial |
| 2E505139 | others - case back |
| 2E505139EA | others - case |
| 82730410 | others - case ring |
| 04V19JGM | others - minute hand |
| 04L13JGH | others - hour hand |
Caliber 2E50
Other models with the same movement
| 2E50-5009 |
| 2E50-5019 |
| 2E50-501H |
| 2E50-5029 |
| 2E50-5039 |
| 2E50-5049 |
| 2E50-5059 |
| 2E50-5069 |
| 2E50-5079 |
| 2E50-5089 |
| 2E50-5099 |
| 2E50-5109 |
| 2E50-5119 |
| 2E50-5129 |
| 2E50-5149 |
| 2E50-5159 |
| 2E50-5169 |
| 2E50-5179 |
| 2E50-5189 |
| 2E50-5199 |