Ready, Willing and Able
Sonne, Sylt und kesse Krabben (original)
A wealthy middle-aged man tries to seduce younger women at an oceanfront resort.
Starring Christine Schuberth, Achim Strietzel, Maria Körber, Ingrid Steeger, Wolfgang Gruner, Rose Renée Roth, Gerhard Bormann, Sigrid von Richthofen, Klaus-Hagen Latwesen, Eric Wedekind
Watch "Ready, Willing and Able" on Cultpix released in 1971. It's a comedy movie, and has a rating of 4.6 out of 10 from Imdb which is fairly low for this kind of movie.