Jules Jurgensen Optcom I LCD Uhr Erste LCD Uhr von Jules Jurgensen Invicta, USA ca 1973. Modell Optcom I. Anzeige von Stunde und Minute mittels Dynamic Scattering Display. Early L.C.D. watch made by Jules Jurgensen, USA, 1973. Model Optcom I. Display still uses the dynamic scattering technology. |