The in-form Bernardo Silva struck twice as Manchester City went to the top of the Premier League for the first time this season.
After Raheem Sterling had scored early, Bernardo netted either side of half-time to take his goal tally to five in seven games and confirm City’s seventh win in a row.
Watford grabbed a late consolation through Cucho Hernandez but were caught out early on by Pep Guardiola’s attacking formation featuring five forwards.
MATCH FACTS AND RATINGS
Watford (4-1-4-1): Bachmann 7: Femenia 6, Troost-Ekong 6, Cathcart 7, Rose 5.