1. Introduction to the IWC IW371445 Portugieser Chronograph

The IWC IW371445 Portugieser Chronograph is one of the most iconic models in the Portugieser collection. Known for its clean design, balanced proportions, and outstanding mechanical reliability, it has become a favorite among collectors and enthusiasts who appreciate timeless elegance with Swiss engineering precision.

This reference captures the essence of IWC craftsmanship with a harmonious dial layout, superb finishing, and a highly wearable 40.9mm case that fits almost any wrist.

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2. Design & Aesthetic Excellence

The signature design of the IWC IW371445 Portugieser Chronograph reflects the original Portugieser philosophy — simplicity, legibility, and understated luxury.

Key design highlights:

• Clean silver-white dial

• Fine Arabic numeral hour markers

• Elegant leaf-shaped hands

• Perfectly balanced bi-compax chronograph sub-dials

• Thin bezel providing wide dial visibility

• Classic leather strap for a luxurious feel

The model retains the timeless charm that has made the Portugieser one of the world’s most recognizable dress chronographs.

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3. Case & Materials

The 40.9mm stainless-steel case strikes the ideal balance between presence and comfort.

Case specifications:

• Diameter: 40.9 mm

• Thickness: ~12.3 mm

• Material: 316L stainless steel

• Crystal: Sapphire with anti-reflective coating

• Water resistance: 30 meters

The moderate case size ensures that the IWC IW371445 Portugieser Chronograph fits well under a shirt cuff, making it perfect for business and formal occasions.

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4. Movement – Calibre 79350

At the heart of the IWC IW371445 Portugieser Chronograph is the robust and reliable Cal.79350 automatic movement.

Movement features:

• Automatic winding

• Approx. 44-hour power reserve

• Chronograph seconds

• 30-minute chronograph counter

• Smooth operation & excellent durability

This movement is based on a tried-and-tested Swiss architecture, modified and finished according to IWC quality standards.

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5. Strap & Wearing Experience

The watch is fitted with a premium leather strap, often crafted from alligator or calf leather depending on production batch.

Why it wears so well:

• Lightweight and comfortable

• Soft leather molds to the wrist

• Perfect balance of luxury and practicality

Whether paired with business attire or elegant casual wear, the IWC IW371445 Portugieser Chronograph delivers a refined and confident look.

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6. Why the IW371445 Is a Collector Favorite

Collectors love this reference because:

• Its design is timeless and never goes out of style

• The size is perfect for modern preferences

• The chronograph layout is elegant and harmonious

• It carries the heritage of the classic Portugieser line

• Extremely versatile for formal and everyday wear

For many enthusiasts, the IWC IW371445 Portugieser Chronograph represents the purest form of IWC’s dress chronograph DNA.

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⭐ FAQ

1. Is the IWC IW371445 Portugieser Chronograph a good daily watch?

Yes. It is durable, comfortable, and easy to read, making it suitable for daily business or smart casual wear.

2. Does the watch have strong water resistance?

No. It offers 30 meters, which is enough for hand-washing and rain splashes, but not swimming or showers.

3. What movement does it use?

The IWC IW371445 Portugieser Chronograph uses the automatic Calibre 79350.

4. What is the case size?

The case measures 40.9 mm, ideal for most wrist sizes.

5. Is this model considered iconic?

Yes. The IW3714 series is one of IWC’s most recognized and best-selling chronographs ever.