APSF Edition — Brown Leather Strap
The APS Factory (APSF) rendition of the IWC Portugieser Perpetual Calendar 42mm IW344202 represents a significant horological milestone in the replica market. By successfully reverse-engineering the renowned Kurt Klaus synchronization module, APSF has eliminated the need for recessed case pushers found on inferior versions. This allows collectors to experience the genuine mechanical behavior of advancing all calendar functions simultaneously via the crown.
At the core of this replica is the highly advanced Calibre 82650 clone movement. Unlike standard modified Miyota bases that merely mimic aesthetics, this architecture integrates a fully functional perpetual calendar module, including day, date, month, leap year, and an active moon phase. Following strict testing protocols, the power reserve operates at approximately 36 hours. The movement bridges are decorated with perlage and accurate engravings visible through the exhibition caseback.
The 42.4mm case is constructed from 316L stainless steel and wrapped in a thick 18k 5N rose gold plating, delivering the exact warm hue of the genuine article. It measures a precise 13.2mm in thickness, mirroring the authentic profile. The silver-plated dial features sharp, applied rose gold Arabic numerals and well-proportioned subdials, protected by a double anti-reflective coated sapphire crystal for exceptional clarity.
- Movement: Calibre 82650 Clone — Approximately 36 hours
- Case Material: 18k 5N Rose Gold Plated 316L Steel, 42.4mm diameter, 80.6g weight
- Bezel: 18k Rose Gold Plated Smooth Bezel
- Crystal: Sapphire with Double AR Coating
- Bracelet: Brown Leather with Deployant Clasp
- Water Resistance: 30m Stated — professional pressure test recommended before swimming
This piece is designed for the discerning collector who values mechanical complexity and accurate case dimensions. It serves as an exceptional dress watch, offering the visual and operational prestige of a grand complication without the genuine price tag.

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