PORSCHE DESIGN BY IWC REF. 3551 COMPASS WATCH MOON PHASES PVD ALUMINUM Porsche Design by IWC "The Compass Watch," Automatic, Ref. 3551. Made in the early 1990s. Fine and very unusual, anti-magnetic,
Watches: Ahead Of Its Time – How IWC Foresaw Modern Watch Trends 40 years ago | The Journal | MR PORTER