IWC Portofino Chronograph 39 – Reference IW391503
Elegant Precision for the Modern Gentleman
The IWC Portofino Chronograph 39 Ref. IW391503 is a sophisticated timepiece that combines the timeless elegance of the Portofino collection with the functional appeal of a chronograph. Designed for those who appreciate clean lines, balanced proportions, and impeccable craftsmanship, this watch exemplifies understated luxury. Whether you’re at the office, a formal event, or enjoying leisure time, the IW391503 seamlessly adapts to any setting.
Compact Stainless Steel Case
Encased in polished stainless steel, the watch features a 39 mm diameter and a 13 mm thickness, making it ideal for both slender and broader wrists. The classic round case pays homage to vintage chronographs while embracing a modern, minimalistic aesthetic. The curved sapphire crystal features anti-reflective coating on both sides, ensuring maximum legibility and a clear view of the dial from any angle.
White Dial with Balanced Symmetry
The white dial is a hallmark of the Portofino series, offering a bright and refined backdrop for the watch’s chronograph functions. Elegant rhodium-plated hands and applied hour markers ensure excellent contrast and legibility. The chronograph display is symmetrically arranged with a 30-minute counter at 12 o’clock and a small seconds counter at 6 o’clock. A central chronograph seconds hand adds further stopwatch functionality without cluttering the dial. The minimalist layout allows this watch to retain its dressy charm while offering useful timing tools.
High-Performance IWC Caliber 69355
At the heart of this timepiece is the IWC-manufactured Caliber 69355, a robust automatic movement with a column-wheel chronograph mechanism. This mechanical movement is known for its precision, durability, and smooth pusher operation. With a 46-hour power reserve and a beat rate of 28,800 vibrations per hour (4 Hz), it offers reliable timekeeping across daily use. The movement is visible through the exhibition case back, allowing wearers to admire the intricate Geneva stripes and perlage finishing—a detail that collectors and enthusiasts deeply appreciate.
Versatile 5-Link Stainless Steel Bracelet
For the first time in the Portofino Chronograph 39 series, this reference comes fitted with a finely crafted 5-link stainless steel bracelet. The alternating polished and brushed links add visual texture and sophistication. The bracelet is equipped with IWC’s intuitive EasX-CHANGE® system, enabling quick and tool-free strap swaps for added versatility. Whether paired with leather, rubber, or textile, this system allows users to adapt the watch to any occasion with ease.
Technical Specifications
- Reference: IW391503
- Case Material: Stainless Steel
- Diameter: 39 mm
- Thickness: 13 mm
- Dial: White
- Crystal: Sapphire, double anti-reflective
- Movement: IWC Caliber 69355
- Power Reserve: 46 hours
- Water Resistance: 5 bar (50 meters)
- Bracelet: 5-Link Stainless Steel with EasX-CHANGE®
- Functions: Hours, Minutes, Small Seconds, Chronograph
Conclusion
The IWC Portofino Chronograph 39 IW391503 is a masterclass in refined sport-luxury design. Blending dress watch aesthetics with chronograph functionality and powered by a precise in-house movement, it is ideal for watch enthusiasts who demand both style and performance. With its elegant case size, modern bracelet, and heritage-inspired craftsmanship, this timepiece is a versatile and lasting addition to any collection.
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