New Watford head coach Quique Sanchez Flores says it was the soul of the club that persuaded him to take the job.
Sky sources understand that Watford will sign Udinese striker Matej Vydra on a permanent deal in the next 24 hours.
Watford defender Lloyd Doyley will remain at the club until his return to fitness following a neck injury.
Former Watford boss Slavisa Jokanovic has said he left the club because he felt he was no longer wanted.
Watford have agreed a club-record £7m fee with Genoa for winger Diego Perotti.
Watford have made a club-record bid for Genoa winger Diego Perotti, according to Sky sources.
Watford begin their 2015/16 Premier League campaign at Everton and also face a trip to Manchester City in August.
Bournemouth and Newcastle have the toughest run-ins of the potential relegation candidates, with Watford by far the easiest.
More of the games that matter on Sky Sports
Listen to the latest Premier League news
All the gossip from the morning editions
Check out all the latest transfer moves
Out now! Free Sky Sports Soccer Quiz App