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JACOB JENSEN 603 Use of the chronograph: Press button “A“ to start the chronograph. Press button “A“ again to stop it. By pressing button “B“ the chronograph will be reset to zero. Adjusting the chronograph: Pull out the crown completely. Then, simultaneously press buttons “A“ and “B“...
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RONDA 5030 JACOB JENSEN 603 Bediening van de chronograaf: Druk op knop “A“ om de chronograaf te starten. Druk nogmaals op “A“ om de chronograaf weer te stoppen. Door op knop “B“ te drukken wordt de chronograaf op nul gezet.
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Midden : de secondeteller van de chronograaf.