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IWC Portofino Chronograph Stainless Steel 42mm Silver Dial IW391031 - BRAND NEW

IWC Portofino Chronograph Stainless Steel 42mm Silver Dial IW391031 - BRAND NEW IWC Portofino Chronograph Stainless Steel 42mm Silver…

Reference IW391031

Full watch configuration

IWC Portofino Chronograph Stainless Steel 42mm Silver Dial IW391031 - BRAND NEW

$6,390.00
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 Chronograph Stainless Steel 42mm Silver Dial IW391031 - BRAND NEW

IWC Portofino Chronograph Stainless Steel 42mm Silver Dial IW391031 - BRAND NEW

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IWC Portofino Chronograph Stainless Steel 42mm Silver Dial IW391031 - BRAND NEW

Catalogue watch price: $6,390.00 USD

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

Estimated remaining balance: $. Pay by bank wire or cryptocurrency after we confirm your watch and final invoice. Shipping and applicable taxes are additional.

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Watch shipping is paid with the final balance: $100 for U.S. overnight delivery or $500 internationally. Applicable taxes and import charges are additional.

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The IWC Portofino Chronograph IW391031 is a brand-new 42mm stainless steel dress chronograph featuring a classic silver Arabic dial and supple leather strap, embodying IWC's philosophy of understated elegance. Its clean, legible layout and refined proportions make it one of the most versatile chronographs in the Portofino collection.

Reference IW391031 stands out for the timeless harmony between its polished stainless steel case, silver dial, and Arabic numerals — a combination that transitions effortlessly from boardroom to weekend. Contact Bizak & Co. today to purchase this IWC Portofino Chronograph at the best price or browse our full IWC inventory online.

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

Buy this Portofino Chronograph, 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 has long represented the Swiss manufacture's dedication to classical watchmaking dressed in contemporary elegance. Named after the picturesque Italian harbor village, the Portofino line draws its design language from Mediterranean refinement — clean dials, slim profiles, and a studied restraint that sets it apart from more overtly sporty IWC families such as the Pilot's Watch or the Aquatimer. The Portofino Chronograph IW391031 carries that tradition forward in a modern 42mm package that wears with confidence on virtually any wrist.

At 42mm in diameter, the stainless steel case of the IW391031 occupies the sweet spot between presence and wearability. The polished finish of the case and bezel reinforces the watch's dress-watch sensibility without sacrificing durability, and stainless steel ensures the piece will age gracefully across years of daily wear. The case geometry — gently curved lugs, a smooth bezel, and careful attention to proportions — is a hallmark of the Portofino line and one of the reasons this reference has earned admiration among collectors who prefer elegance over ostentation.

The silver Arabic dial is the visual centerpiece of the IW391031 and one of its most compelling attributes. Arabic numerals lend the dial a warm, readable character that recalls pocket-watch tradition, differentiating this reference from the baton- or index-dialed alternatives in IWC's lineup. Chronograph subdials are integrated with characteristic IWC discipline — functional without cluttering the composition — and the overall layout invites the eye to rest rather than race across the surface.

The leather strap completes the aesthetic program of the IW391031, reinforcing its position as a true dress chronograph. A fine leather strap keeps the watch lightweight on the wrist and ensures the overall package remains slim and unobtrusive beneath a suit cuff, making it equally at home at formal occasions or relaxed weekend settings. The combination of stainless steel and leather is one of the most enduring pairings in fine watchmaking, and IWC executes it here with characteristic precision.

Buying a brand-new IWC Portofino Chronograph IW391031 from Bizak & Co. means acquiring a pristine example of one of IWC's most beloved dress complications with the full assurance of new-watch condition. Bizak & Co. is committed to offering the best price on sought-after references like the IW391031, and our team of knowledgeable watch specialists is available to answer any questions, arrange shipping, and guide you through every step of the purchase. Explore this reference and our wider IWC selection at bizakandco.com, or reach out directly to buy online today.

Technical Details
Reference
IW391031
Model
Portofino Chronograph
Case material
Stainless Steel
Bracelet material
Leather
Dial
Silver Arabic
Case size
42mm
Requested condition
Brand New
FAQ

1. What makes the IWC Portofino Chronograph IW391031 special?
The IW391031 combines IWC's signature dress-watch restraint with genuine chronograph functionality in a refined 42mm stainless steel case. The silver Arabic dial gives it a warm, vintage-inspired character that distinguishes it from more common index-dialed chronographs in the same price segment.

2. What movement powers the IWC Portofino Chronograph IW391031?
IWC has not publicly disclosed the full movement specification for every Portofino Chronograph variant in a single unified statement, and we list only confirmed details for this reference. Please contact Bizak & Co. directly and our specialists will provide complete, accurate movement information for IW391031.

3. What is the case size of the IW391031?
The IWC Portofino Chronograph IW391031 features a 42mm stainless steel case, a size that offers excellent wrist presence while remaining comfortable for a wide range of wrist sizes. The polished case and smooth bezel keep the overall silhouette sleek and dress-appropriate.

4. Is the IWC Portofino Chronograph IW391031 suitable for everyday wear?
Yes — the 42mm stainless steel case is robust enough for daily use, and the versatile silver Arabic dial transitions naturally from business to casual settings. The leather strap adds comfort for extended wear, making IW391031 a practical yet refined everyday companion.

5. What is the dial and strap like on the IW391031?
The dial is finished in silver with Arabic numeral hour markers, giving it a legible, classic look that echoes fine pocket-watch design. The watch is paired with a leather strap that keeps the overall aesthetic firmly in dress-watch territory and ensures a comfortable, lightweight feel on the wrist.

6. Is the IWC Portofino Chronograph IW391031 a good buy, and how do I purchase it from Bizak & Co.?
The IW391031 is a brand-new example of one of IWC's most elegant chronograph references, offered at the best price by Bizak & Co. You can buy online at bizakandco.com or contact our team directly to discuss availability, pricing, and secure shipping options.

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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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