Arabella  Suggested by pilaster 
Better Heather  Suggested by koeiekat 

The correct match for this sample is WSI's version, the Dahrlin, wich has the correct size of the numbers. Another very similar one is the Arabella (Manfred Klein, Typographer Mediengestaltung) wich runs a bit wider though.

I learn something new every day.
Another take on it here
http://myfonts.us/td-wCprPJ

Thank you all for the help.