École d’horlogerie Porrentruy
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Manufacturer : student at Porrentruy
Reference : chronograph valjoux 23
Year : 1960s
Case : 35mm heuer case
Caliber : Valjoux 23
Size : 35mm
OVERVIEW
Porrentruy School Watch – Valjoux 23 – Heuer-Signed Case
Watchmaking school chronograph from Porrentruy, equipped with a Valjoux 23 movement. The case is signed Heuer, indicating its origin. A watch designed for training purposes, showcasing the craftsmanship of watchmaking apprentices.