The IWC Portugieser Automatic 40 (reference IW358303) is a 40.4mm stainless steel with a automatic movement and 30m of water resistance. It carries a silver dial. On the secondary market it typically trades between $5,500 and $8,500.
Confirmed secondary-market sales WristWorth has tracked for this reference.
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.
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On the secondary market the IWC Portugieser Automatic 40 (reference IW358303) typically trades between $5,500 and $8,500, with a midpoint around $7,000. Actual prices vary with condition, box/papers, and demand.
The IW358303 runs a automatic movement (caliber 82200).
The IW358303 has a 40.4mm Stainless Steel case, water resistant to 30m, with a silver dial.
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