IWC
Portugieser Perpetual Calendar
IW503302
Rose gold gravitas with a perpetual calendar built for generations.
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Overview
The IWC Portugieser Perpetual Calendar reference IW503302 pairs a 44.2 mm 18k rose gold case with a silver dial, presenting one of the most architecturally composed perpetual calendars in the Portugieser line. Calibre 52615 drives the complication, offering a full perpetual calendar display that accounts for the varying lengths of months and leap years without manual correction until 2100. The result is a dress watch of considerable presence that sits firmly within IWC's long tradition of technically ambitious Portugieser references.
History
The Portugieser line traces its origins to the late 1930s, when IWC produced large-cased pocket-watch-movement wristwatches for Portuguese clients who demanded exceptional legibility and precision. The perpetual calendar complication was introduced to the Portugieser family in the 1990s and has since become one of the line's defining complications. Reference IW503302, in 18k rose gold with a silver dial, entered production around 2015 and continues to represent the warm-metal, clean-dial aesthetic that collectors associate with the modern Portugieser perpetual calendar. Its longevity in the catalogue reflects sustained collector interest in large-format, in-house perpetual calendar movements.
Notable points
- Case material is 18k rose gold at 44.2 mm — a diameter consistent with the Portugieser line's historically generous proportions.
- Calibre 52615 is an in-house IWC movement incorporating a perpetual calendar mechanism that requires no manual date correction until the year 2100.
- The silver dial maintains the clean, legible aesthetic that has defined the Portugieser since its earliest large-cased references.
- The perpetual calendar displays day, date, month, and moon phase in a symmetrical layout characteristic of IWC's approach to the complication.
- Rose gold references in the Portugieser perpetual calendar family are traditionally regarded as the dressy counterpart to the line's stainless steel variants.
Specifications
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