Porsche April – June: The first chronograph with mechanical-digital stopwatch display – Porsche AG https://www.porsche.com/korea/ko/aboutporsche/pressreleases/pag/archive2004/quarter2/?pool=international-de&id=press92
Stuttgart/Basel. Porsche Lizenz- und Handelsgesellschaft mbH & Co.
mechanical-digital stopwatch displayPorsche Design presents world premiere at Baselworld 2004 Stuttgart/Basel