Where is Hölstein? 28 July 2023 12:50 Updated The beautiful village of Hölstein, our home since 1904, is in the Waldenburg Valley in the north-west of Switzerland, 35 km from Basel. Related articles I’m visiting Switzerland and I’d love to visit the Oris factory. Is this possible? What is the advantage of a mechanical Oris Watch? How accurate are Oris watches? How do I know if an Oris watch is genuine? How do I put my watch into operation?