In Star Wars: Empire Strikes Back(1980) Luke's loses his right hand in a duel with Vader. He is later given a robotic prosthetic. After this scene Luke's robotic hand was swapped out
Is This Luke Skywalker's Robotic Hand From Star Wars Episode VII?
Star Wars Mysteries: Let's Give Luke a Hand | StarWars.com
Empire Cover Shows Luke's Robotic Hand In Star Wars: The Last Jedi
Luke Skywalker's Hand | A Moment of Science - Indiana Public Media
Luke Skywalker's Robotic Hand Is A Part Of The Force Now
Star Wars 7 set photo released: whose robot hand is that? - SlashGear
Why did Luke get an almost real replacement hand while Anakin got a robotics metal hand? : r/StarWars