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IWC Portofino Automatic Steel 37mm Blue Diamond Dial IW658602 - BRAND NEW

IWC Portofino Automatic Steel 37mm Blue Diamond Dial IW658602 - BRAND NEW IWC Portofino Automatic Steel 37mm Blue Diamond…

Reference IW658602

Full watch configuration

IWC Portofino Automatic Steel 37mm Blue Diamond Dial IW658602 - BRAND NEW

$10,435.00
Requested condition
Brand New

By IWC

Sourced to order. We confirm the watch, condition and final price before purchase. Reference images shown.

Eligible watches: 90-day returns for store credit only. Brand-new watches and other exclusions are final sale. Return terms.

IWC Portofino Automatic Steel 37mm Blue Diamond Dial IW658602 - BRAND NEW

IWC Portofino Automatic Steel 37mm Blue Diamond Dial IW658602 - BRAND NEW

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IWC Portofino Automatic Steel 37mm Blue Diamond Dial IW658602 - BRAND NEW

Catalogue watch price: $10,435.00 USD

Your $200 deposit is applied to the watch’s purchase price. It is refundable only if Bizak & Co. cannot fulfill your order.

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The IWC Portofino Automatic IW658602 is a brand-new 37mm stainless steel dress watch featuring a striking blue dial set with diamond hour indices and driven by an automatic movement. The leather strap and stainless steel bezel complete an elegantly restrained package that sits comfortably at the crossroads of Swiss haute horlogerie and everyday wearability.

Reference IW658602 stands out for its luminous blue dial, diamond detailing, and refined 37mm proportions—making it an ideal choice for collectors seeking understated luxury. Contact Bizak & Co. today to purchase this IWC Portofino for sale at the best price, with fast and secure shipping direct to your door.

Compare it across every Portofino reference we carry, or browse the full IWC collection at Bizak & Co.

Buy this Portofino, trade in your current watch, or sell us yours. Contact Bizak & Co. to make an offer or request a fair-market valuation.

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The IWC Portofino collection draws its soul from the sun-drenched Italian fishing village of the same name, a haven of effortless style that IWC first channeled into watch form in the early 1980s. The line has since become synonymous with clean, uncluttered design rooted in the Bauhaus tradition—round cases, slim profiles, restrained dials, and a quiet confidence that needs no embellishment to make an impression. Reference IW658602 carries that spirit forward while adding a contemporary layer of brilliance through its diamond-set hour indices.

At 37mm, the Portofino IW658602 occupies a sweet spot that flatters a wide range of wrist sizes without sacrificing presence. The stainless steel case is shaped with graceful curves and a polished finish that catches the light in the same unhurried way the village of Portofino reflects sunlight off its harbor. The proportions are deliberately approachable, inviting daily wear while remaining thoroughly dressy.

The blue dial is the defining visual statement of this reference. Rich and deeply saturated, it provides a captivating backdrop that shifts tone with changing light conditions—from a midnight navy under candlelight to a vibrant cerulean in afternoon sun. The diamond hour indices add a precise sparkle that elevates the dial without overwhelming its classical symmetry, speaking to a buyer who appreciates subtle luxury over ostentatious display.

Power comes from IWC's automatic movement, a self-winding caliber that offers the convenience of perpetual winding from the motion of the wrist. IWC's movements are celebrated for their robust engineering and consistent reliability, hallmarks of the brand's Schaffhausen manufacture. The result is a watch that you can trust to keep accurate time day after day with minimal intervention.

Worn on a leather strap, the IW658602 drapes gracefully on the wrist, adapting in character from a business meeting to a seaside dinner. The leather strap reinforces the watch's dressy personality and lends it an artisanal warmth that a metal bracelet simply cannot replicate. It is a pairing that makes the Portofino feel genuinely timeless rather than trend-dependent.

Bizak & Co. is pleased to offer this brand-new IWC Portofino IW658602 for sale at the best price, sourced through authorized channels so you can buy with complete confidence. Whether you are a first-time IWC buyer or adding to an established collection, our team is ready to answer every question and guide you through a seamless purchase experience. Reach out online at bizakandco.com or contact us directly to secure this exceptional reference today.

Technical Details
Reference
IW658602
Model
Portofino
Movement
Automatic
Case material
Stainless Steel
Bracelet material
Leather
Dial
Blue with diamond indices
Case size
37mm
Requested condition
Brand New
FAQ

1. What makes the IWC Portofino IW658602 special?
The IW658602 combines IWC's iconic Portofino design with a richly saturated blue dial set with diamond hour indices, offering a level of quiet luxury that few dress watches at this size can match. Its 37mm stainless steel case and leather strap give it a versatile elegance that transitions effortlessly from day to evening wear.

2. What movement powers the IWC Portofino IW658602?
Reference IW658602 is powered by an IWC automatic self-winding movement, meaning the rotor harnesses energy from the natural motion of your wrist to keep the watch running throughout the day. IWC movements are manufactured in Schaffhausen, Switzerland and are known for their precision engineering and long-term reliability.

3. What is the case size of the IWC Portofino IW658602?
The IW658602 features a 37mm stainless steel case, a proportion that works beautifully on a broad spectrum of wrist sizes. It is neither too dainty nor oversized, placing it firmly in the versatile middle ground that many collectors prefer for an everyday dress watch.

4. Is the IWC Portofino IW658602 suitable for everyday wear?
Yes—the Portofino's automatic movement and durable stainless steel construction make it entirely capable of daily wear, while the leather strap and blue diamond-index dial keep it feeling special rather than utilitarian. It is best suited to smart-casual and formal settings rather than highly active or water-intensive activities.

5. What are the dial and material details of the IW658602?
The dial is a deep blue finish adorned with diamond hour indices that catch the light and add a touch of brilliance to the classical Portofino layout. The case and bezel are both crafted from polished stainless steel, and the watch is worn on a leather strap that reinforces its refined, dressy character.

6. Is the IWC Portofino IW658602 a good buy, and how can I purchase it from Bizak & Co.?
The Portofino IW658602 is a strong choice for anyone seeking a Swiss-made automatic dress watch with genuine diamond detailing at an accessible 37mm size. Bizak & Co. offers this reference brand new at the best price—visit bizakandco.com or contact our team directly to place your order or ask any questions before you buy.

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5 Years Warranty

Our five-year Bizak & Co. warranty covers manufacturing defects affecting mechanical operation under normal use, starting on delivery. It is separate from any remaining manufacturer warranty.

Exclusions include accidental damage, misuse, water damage, cosmetic damage, normal wear, loss and theft. Coverage and service availability for vintage or modified watches are confirmed in writing before purchase.

Read the full warranty terms and service instructions. 

90-Day Returns for Store Credit

Eligible watches may be returned within 90 days for store credit. Brand-new watches and other exclusions are final sale.

Read eligibility, condition requirements, and exclusions.

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Insured shipping

U.S. overnight shipping is $100; international shipping is $500. Dispatch takes 2–3 business days after your wire clears. International transit times vary. Shipping details.

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