Sean Longstaff put the Magpies ahead in the first half, but Ismaila Sarr drew the hosts level with 20 minutes to go, before Joshua King netted what would have been a winning goal for the Hornets in the 87th minute, only to see it ruled out for offside after a VAR check.
Such a result saw Newcastle's winless start to the Premier League campaign extended, but Bruce spoke of his pleasure with the team's display.
Speaking to reporters after the game, the manager said: "The game should have been put out of sight but you can't come here and dominate the way we did and create the chances we had and miss them, We nearly got punished for it at the end, which would have been totally unjust in my opinion. Our performance was terrific, we've done okay of late and haven't managed to get that first win."
The St. James' Park outfit now sit on three points from their opening six league outings, conceding 14 goals in those games, and occupy 17th spot at this stage as a result.
Their search for a first league win of the season continues on Saturday, as they travel to the Midlands to take on Bruno Lage's Wolverhampton Wanderers. body check tags ::