Oriosa

Oriosa was a brand of Montres Frey SA of Biel although the brand name Oriosa was registered by Ostersetzer & Cie in 1956.Little is known of the company but watches appear for sale from time to time. Austria seems to have been a market for them. There were some interesting and quality pieces in the 1960s including chronographs and divers, using standard movements from Landeron, Valjoux and others.