He was then remanded for four weeks at the medical centre in Changi Prison for psychiatric assessment.
Graffart works for the Singapore investment management arm of Nordea, a company that describes itself as the largest financial group in northern Europe.
General manager of Nordea Private Banking in Singapore, Mr Kim Osborg Nielsen, was seen in court together with three other company representatives.
The case will be heard in court again on Dec 2.
If convicted of murder, Graffart faces the death penalty.