
Ref. IW328903
The green dial Mark XX brought IWC to a new generation. 120-hour power reserve means you can leave it all weekend and it won't stop.
Engineering for Men
International Watch Company was founded in Schaffhausen by American watchmaker Florentine Ariosto Jones, blending Swiss craftsmanship with American industrial engineering principles. That hybrid DNA still defines IWC: technically serious watches in refined cases, without the flash of Geneva's jewelry-first houses. The Portugieser line (born from a 1939 request for marine chronometer accuracy in a wristwatch) is one of horology's great dress watches. The Pilot's Watch line traces back to the Mk 11 navigation watch built for the RAF. IWC's annual production of roughly 60,000 pieces and membership in the Richemont group give it strong distribution without diluting exclusivity.
Built navigation watches for the Royal Air Force (Mk 11, 1948). Portugieser originated from a request for pocket watch movements in wristwatch cases (1939).
Portugieser Perpetual Calendar and vintage Mark series hold value well. IWC sits in a collector sweet spot — recognized enough for liquidity, understated enough for discovery.
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