IWC/Porsche design compass watch in titanium ref 3511 with Certificate of Authenticity paper and IWC service invoice 2019 As one of the foundational

As one of the foundational models within the modern Rolex catalogue

- Oyster bracelet ref 78793 with solid endlinks

The hour markers on the dial match the hands perfectly

The blue lume on the hours

Tudor created the snowflake hands in response to the Navy divers’ requests for more legible watch hands in dark diving conditions

IWC/Porsche design compass watch in titanium ref 3511 with Certificate of Authenticity paper and IWC service invoice 2019 As one of the foundationalIn 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