PORSCHE DESIGN WATCH CHRONOGRAPH PVD REF. 7176s ORFINA 5100
Item History & Price
Links below are for 2 excellent articles from respected watch watchers:
https://philipraby.co.uk/porsche-design-pd01-wristwatch/https://www.hodinkee.com/articles/pd-turns-40-a-brief-history-of-porsche-design