Pierres Holding

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Pierres Holding SA was a watch group within ASUAG focused on functional jewels ("Pierres"). Pierres Holding was active from the 1960s through 1983 and was based in Bienne and for a time was headed by Pierre Renggli.

Pierres Holding SA was formed in the 1960s to bring together watch jewel technology suppliers within ASUAG. It was structured as a general holding company with four key "centers" based on geography: