The Hornets have started their first season back in the big time with a fantastic 2-2 draw away at Everton followed up by a stalemate against West Bromich Albion last time out.
One of the most active clubs in the summer window with 12 signings, the Golden Boys mean business this time around in the English top flight.
Their previous forays into the Premier League have been shortlived and on a shoestring budget.
But under the guidance and experience of former Atletico Madrid manager Quique Sanchez Flores and owner Gino Pozzo this is a different Watford.
No pushovers on Premier League return
One thing their early results have shown is that they will be no whipping boys, indeed they were unlucky not to win up at Goodison Park.
There are two key signings, though, which could make all the difference and help keep them up in Swiss international Behrami and madcap Diamanti.
Both players were crowd favourites during their previous stints in the Premier League not a million miles away in east London with the Hammers.
The buzz in the Hornets' midfield
Behrami was adored by the Upton Park faithful for the boundless energy and aggression that has been a major feature of his career for both club and country.
The Kosovo-born star suffered a long-term knee injury while at West Ham but he played 58 games in two and a half seasons before returning to Italy with Fiorentina, citing his wife's failure to settle in England as a key factor.
Hammers fans were disappointed to see the grafter leave in January 2011 and went on to miss his combative skills as they were relegated under the hapless Avram Grant.
His tigerish attitude, energy, enthusiasm, experience and no mean quality will prove invaluable to Flores this season as long as he can stay fit.
Diamond Diamanti can be the sting in the tail
And if Behrami brings the steel, Diamanti will bring the skill as the pair are reunited after spending the 2009-10 season together in the claret and blue.
The attacking midfield star was another fans' favourite at Upton Park, finishing runner-up in the club's prestigious Hammer of the Year awards to Scott Parker.
He had a decent scoring record for the Hammers, netting a ratio of once every four matches ending the season with seven goals from 28 games.
Most of those came from the spot but it is his vision, quality of his crossing and passing and the fact he requires very little backlift to strike a ball with his pitching wedge like left-foot which makes him so valuable.
The madcap forward eventually persuaded Italian football chiefs there was more to his game than zany hair and audacious flicks and tricks when he established himself as part of the national team which finished runners-up to Spain in Euro 2012.
His prowess from free-kicks and corners will be another big weapon for Watford and if he can link up with Behrami as he did for the Hammers, the Orns could be in for one of their most memorable seasons yet.