grandiose

Unrealistically so? Is Harry's assessment of self less accurate than other people's self-assessments on average?

accurately perceives science

Once again, not what I was talking about.

The traits I mentioned Harry possessing are opposites of what are considered to be narcissistic traits. From http://en.m.wikipedia.org/wiki/Narcissism
A lack of psychological awareness (see insight in psychology and psychiatry, egosyntonic)
Difficulty with empathy.
Magical thinking: Narcissists see themselves as perfect, using distortion and illusion known as magical thinking. They also use projection to dump shame onto others.

What writes my bottom line to a large extent is that my "read" (intuitive assessment) of Harry is that he isn't a narcissist. (For reasons I won't go into now, I trust my ability to recognize that).
With that as starting point, I picked the minimal set of traits, which to me prove conclusively that Harry isn't a narcissist (unless to a very small extent).