IWC, Porsche Design, Ref. 3430. Fine, titanium quartz wristwatch with moonphase, calendar and original deployant clasp. Made circa 1980 - Auction wrist and pocket watches - Cambi Casa d'Aste
Porsche Design by Iwc :: Della Rocca Gioielli
Porsche Design by IWC watch Ocean 500 YG / Titanium Automatic winding Boys 34mm | eBay