1. Overview of the APS Factory IWC Portuguese IW503404 Replica

The APS factory IWC Portuguese IW503404 is one of the most luxurious and technically impressive perpetual calendar replicas released in recent years. APS Factory is known for its outstanding engineering precision, and this model fully demonstrates their top-tier manufacturing capability. Inspired by the original IWC Portugieser Perpetual Calendar reference IW503404, this watch captures the iconic red-gold aesthetics, balanced dial layout, and mechanical sophistication that define the authentic model.

With its 44.2mm case, crystal-clear dial arrangement, and smooth perpetual calendar function, the APS factory IWC Portuguese IW503404 replica is designed for collectors who appreciate fine craftsmanship and elegant horology.

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2. Premium 44.2mm Red-Gold Case Construction

One of the key highlights of the APS factory IWC Portuguese IW503404 is its beautifully finished rose-gold-tone stainless-steel case. APS uses high-grade 316L or 904L stainless steel (depending on the batch) with a rich, warm plating color that closely resembles IWC’s original 18K red gold.

Case Features

• Diameter: 44.2mm

• Thickness: Approximately 14.9mm

• Material: 18K rose-gold tone plated stainless steel

• Finish: Polished bezel + brushed case sides

• Crystal: Domed anti-reflective sapphire glass

• Caseback: Transparent sapphire displaying the movement

The proportions perfectly replicate the original Portugieser Perpetual Calendar series, giving the wearer a strong wrist presence while maintaining the brand’s signature elegance.

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3. Exquisite Ivory / Silver-White Dial Design

The dial is one of the most recognizable aspects of any Portugieser Perpetual Calendar, and APS Factory recreates it with exceptional precision. The APS factory IWC Portuguese IW503404 replica delivers:

• Perfectly placed sub-dials representing the perpetual calendar

• Moonphase disc with deep blue background and accurate stars

• Raised Arabic numerals made with precise CNC cutting

• Leaf-style polished hands with clean finishing

APS paid close attention to spacing, print sharpness, and color consistency, making this one of the most accurate Portuguese perpetual calendar dials available.

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4. Fully Functional Perpetual Calendar Module

One of the biggest highlights of the APS factory IWC Portuguese IW503404 is the functioning perpetual calendar system.
This includes:

• Date display

• Day display

• Month display

• Year display

• Moonphase

• Power reserve indicator

Most replicas only mimic the dial layout, but APS incorporates a working mechanism that mirrors the operation of the genuine watch. The smooth clicking action and stable pointer movement demonstrate excellent mechanical tuning.

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5. High-Grade Automatic Movement (Replica of IWC Cal. 52615)

Inside the APS factory IWC Portuguese IW503404 is an upgraded automatic movement designed to mimic the structure and performance of IWC’s in-house 52615 calibre.

Movement Highlights

• Automatic winding system

• Stable 3–5 days power reserve (depending on batch)

• Perpetual calendar functionality

• Moonphase accuracy optimized

• Decorated rotor inspired by IWC’s signature Pellaton system

The movement is visible through the sapphire caseback, featuring engravings and finishing that closely resemble the original.

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6. Comfortable Leather Strap and Elegant Wrist Presence

The watch comes with a premium calfskin or crocodile-pattern leather strap, depending on the factory batch. The stitching, curvature, and softness have been upgraded by APS to ensure a more comfortable wearing experience.

The 44.2mm size combined with the distinctive Portugieser design gives the watch a bold yet refined look on the wrist—perfect for formal occasions, business wear, or luxury daily styling.

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7. Why the APS Factory IWC Portuguese IW503404 Replica Is a Top Choice

Collectors choose this model because it excels in:

• Case finishing and rose-gold color accuracy

• High-precision perpetual calendar layout

• Realistic movement decoration

• Excellent price-to-quality ratio

• High resemblance to the genuine IW503404

Among all Portuguese perpetual calendar replicas, the APS factory IWC Portuguese IW503404 remains one of the most faithful and luxurious options in the market.

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✅ FAQ

1. Is the APS factory IWC Portuguese IW503404 a high-quality replica?

Yes. APS Factory is known for producing premium replicas with excellent mechanical reliability and highly accurate detailing.

2. Does the perpetual calendar function really work?

Yes, the model includes a functional perpetual calendar module—not just decorative sub-dials.

3. What is the watch size?

It has a 44.2mm diameter and approximately 14.9mm thickness, matching the size of the original.

4. What strap does it use?

A premium leather strap that closely matches the genuine IWC Portugieser series.

5. Is the rose-gold plating durable?

APS uses high-quality plating technology with improved wear resistance, making it suitable for long-term use.