It does look like the same bass Uwe. Looks like some sort of chrome cover over the sliding pickup too, or am I imagining that?
I wouldn't call it "imagining", maybe mind-expanding drug use is more apt?!!!
Initially I thought as much too, but go to 3.01 of the clip and you see that the grey is underneath the strings, possibly something he stuck in there so the sliding pup wouldn't move as he constantly rests his thumb on it.
Uwe