mechanical watches · watch brand
IWC Portuguese IW371615 by ZF: CAL.69355 Movement Masterpiece
The IWC Portuguese Series IW371615 from ZF Factory stands as a premier, powered by the newly developed CAL.69355 movement. This 2019 updated Portuguese chronograph delivers exceptional fidelity to the original, making it a top-tier choice for discerning collectors.
Key Features: A Closer Look
- Exhibition Caseback: The transparent rear reveals the intricate mechanics, showcasing the precision of the custom CAL.69355 caliber.
- Refined Buckle: The upgraded clasp design enhances comfort and subtlety, perfectly complementing the watch's elegant profile.
- Full Functionality: The bespoke movement replicates all original functions flawlessly, ensuring a genuine user experience.
Case Construction and Finish
Measuring 41mm x 13mm, the case reflects ZF's mastery of polishing techniques, accurately capturing IWC's signature aesthetic. Both front and rear sapphire crystal glasses offer unmatched clarity and durability. The proportions have been meticulously calibrated through multiple revisions to achieve a perfect fit on the wrist, exuding a fresh and refined charm. Every ZF creation is a testament to quality.
Visual Representation
Actual photographs of this top IWC Portuguese IW371615 are displayed below, providing a detailed view of its craftsmanship.
Purchasing Information
Available at USA WATCH EXPERT, this model can be ordered by contacting our team directly. We offer a range of top-tier collectible watches, with prices typically between $1,000 and $10,000. For the exact price of this IW371615, please reach out to us for a personalized quote.


