Rinse the arugula in a strainer, drain, dry and arrange on a plate.
Peel the oranges and filet them (with a sharp knife, cut the flesh segments between the membranes).
Cut the pomegranate into quarters and shell the seeds.
Lightly toast the walnuts in a pan, chop.
Mix the vinaigrette ingredients in a bowl. Add orange segments to the arugula, sprinkle with pomegranate and walnuts. Drizzle with vinaigrette before serving.