Watford have signed Spanish right-back Kiko Femenia and Austria Under-21 goalkeeper Daniel Bachmann.
Former Spain youth international Femenia, 26, joins from Alaves on a four-year deal having played 31 times in La Liga last season to help the club to a ninth-place finish.
Femenia started his career as a winger and has also played for Hercules, Barcelona B, Real Madrid B and Alcorcon.
Bachmann has penned a three-year contract at Vicarage Road after six seasons at Stoke.