He became a sculler with Berliner Remote Control. Buhtz died in Berlin at the age of 95.
In 1932 he won the Diamond Challenge Sculls at Henley Royal Regatta beating Gerhard Boetzelen in the final. Later in the year he partnered Boetzelen to win the silver medal in the double sculls competition rowing at the 1932 Summer Olympics. In 1934 he won the Diamond Challenge Sculls at Henley again.
