IWC Portugieser Perpetual Calendar automatic white dial brown leather strap 44 mm

An iconic grand complication by IWC Schaffhausen

The Portugieser Perpetual Calendar IW503302 showcases one of IWC Schaffhausen's most celebrated mechanical achievements. Developed by master watchmaker Kurt Klaus during the 1980s, the Manufacture's perpetual calendar has become an industry benchmark thanks to its ingenious design. All calendar indications remain perfectly synchronised and can be adjusted exclusively via the crown, making this sophisticated complication remarkably user-friendly while preserving the timeless elegance of the Portugieser collection.

A beautifully balanced silver-plated dial

The elegant silver-plated dial perfectly balances a wealth of information without compromising legibility. Applied Arabic numerals, blued feuille hands and the signature railway-track minute scale reflect the iconic Portugieser design. The subdials display the day, date, month, four-digit year and power reserve, while the impressive double moon phase at 12 o'clock accurately represents the lunar cycles of both the Northern and Southern Hemispheres.

The legendary Kurt Klaus perpetual calendar

The perpetual calendar automatically recognises months of different lengths as well as leap years without requiring manual correction until 2100. It also features IWC's signature four-digit year display. The highly precise double moon phase mechanism requires a correction of only one day after 577.5 years, illustrating the extraordinary engineering behind this remarkable complication.

The IWC manufacture calibre 52615

Powering the watch is the IWC-manufactured calibre 52615. Equipped with the renowned Pellaton winding system featuring virtually wear-free ceramic components, this automatic movement delivers an impressive seven-day power reserve thanks to its twin barrels. Visible through the sapphire crystal case back, it reveals refined finishing, traditional decoration and a solid gold oscillating weight that highlights the Manufacture's exceptional craftsmanship.

Timeless elegance in every detail

The polished 44.2 mm stainless steel case beautifully frames the generous dial while maintaining elegant proportions. A domed sapphire crystal with anti-reflective coating on both sides enhances readability and adds depth to the display. Completing the watch is a handcrafted black Santoni alligator leather strap that perfectly complements this exceptional grand complication.

A timepiece created for generations

With its perpetual calendar, double moon phase display, seven-day manufacture movement and timeless design, the Portugieser Perpetual Calendar IW503302 stands among the finest expressions of IWC Schaffhausen's watchmaking expertise. It is a remarkable timepiece created for collectors who appreciate uncompromising mechanical excellence and enduring elegance.