The fluid-tight “compressor” or “super-compressor” technology was patented during the 1950s, by Ervin Piquerez SA, a famous watch case manufacturer from Bassecourt in the Swiss Jura. Cases equipped with this technology have given birth to iconic dive watches across many brands, including Jaeger-LeCoultre, Hamilton, Longines, or Bulova. The most famous “compressor” EPSA cases had a […]


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