The win leaves Arsenal 10 points off Champions League qualification in sixth place in the standings, while Watford stay 10th.
He said: "You can not be a football player or any sportsman without pride, so these things come into it".
"I always believe in the work I'm doing every day and I knew one day it was going to turn".
We knew we're on a hard run at the moment, we had to look at ourselves and we had a big result in midweek in Milan and I felt we carried the determination into today. It also shows remarkable intelligence because without remarkable intelligence you don't last in the game, because you have to deal with so many different problems.
"I don't know how much negativity is out there as I focus on my job".
Deeney's effort was saved, however, by goalkeeper Petr Cech - and Bellerin took to Twitter after the match to ensure that he had the last laugh.
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The group has not publicly responded to Ghani's invitation and previously said it would negotiate only with US officials. Local Hazara leader Mohammad Mohaqiq told the Kabul gathering that the explosion was an attempt to terrorize Afghans.
It was the veteran's 200th clean sheet in the Premier League and Wenger paid tribute.
Watford captain Deeney questioned Arsenal's attitude after his penalty helped Watford come from behind to beat the Gunners in the reverse fixture in October, but this time the visitors were eventually well-beaten.
Even if Cech is one of those rare star figures in football that put collective glory ahead of personal achievements, he admitted after the game that he was frustrated with a 11-match wait to reach the mark (and who wouldn't be?).
Pierre-Emerick Aubameyang fluffed two good chances in the first half and "playmaker" Henrik Mkhitaryan once again looked clumsy.
Watford manager Javi Gracia lamented his team's profligacy in front of goal, and said that the game had been too open for his liking.
Ozil had an equally good chance moments later as he glided into the penalty area before Karnezis made another fine save with his legs.
If we can get any result against Milan, then I think a bigger test of our cojones will be when we travel to leicester next Sunday.