IWC/Porsche design compass watch in titanium ref 3511 with Certificate of Authenticity paper and IWC service invoice red most buyers of this model

most buyers of this model preferred elegance over extravagance

A beautiful and practical addition to any interior or watch collection

This watch has been certified at Certifiwatch under registration number CF-0102423

The black bezel remains a rich black hue and is in outstanding condition

Within this series

IWC/Porsche design compass watch in titanium ref 3511 with Certificate of Authenticity paper and IWC service invoice red most buyers of this modelIn 197778, Porsche Design (founded by Ferdinand Butzi Porsche) approached IWC with the idea of creating a wristwatch with a built in compass. Butzi wanted something functional, bold, and distinctly different. It was a challenging time for Swiss watchmakers the quartz crisis was sharply reducing demand for mechanical watches. IWC saw this collaboration as an opportunity to innovate and tap into new markets. The first model in the series, Ref. 3510, was