Hmm, I thought the hands looked like they had luminous compound in them, but they could well be "empty".
However, there are three types of hands for Constellations; with lume, filled with black lacquer (or some other black material!) and solid metal. As far as I know, those with the black centers were only used if the hour markers had either onyx inserts or black paint, just as the ones with luminous compound goes with lume dots on the dial. As this dial looks to have neither onyx/black paint (I'd expect onyx, given the ref. BTW) or luminous compound at the base of the markers, I'd expect the hands to be solid.
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