At seventeen, Sebastian knew what he wanted to do; before completing high school, he pleaded with a Jeweller to hire him. It was Sebastian's job to sweep the floor; wash the raw pieces of jewellery take it to the Jewellers.
Sebastian's enthusiasm for his job garnered attention from the Jewellers; they taught him how to use a jeweller's for removing sprues from castings. On his eighteenth birthday he learned how to use a file, saw ,drill and solder. Sebastian prepared unfinished jewellery for the bench jewellers increasing productivity.