IWC/Porsche design compass watch in titanium ref 3511 with Certificate of Authenticity paper and IWC service invoice 22/22 - 34mm steel case- Reversed

- 34mm steel case- Reversed serial and reference numbers- Serial 301xxxx dating to 1972- Grey dial with white text- Oyster bracelet 78350 with 557 endlinks- Fully serviced by our watchmaker- One-year mechanical warranty- Includes a handmade leather watch pouch- Free worldwide Fedex Priority shipping

-Rare Blue horizontal brushed dial

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almost flying saucer-like profile

IWC/Porsche design compass watch in titanium ref 3511 with Certificate of Authenticity paper and IWC service invoice 22/22 - 34mm steel case- ReversedIn 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