Skip to product information
IWC Schaffhausen IW391009 Portofino Chronograph Silver Plated Index Milanaise Mesh Stainless Steel 42mm Automatic

IWC Schaffhausen IW391009 Portofino Chronograph Silver Plated Index Milanaise Mesh Stainless Steel 42mm Automatic IWC Schaffhausen IW391009 Portofino Chronograph Silver Plated…

Reference IW391009

Full watch configuration

IWC Schaffhausen IW391009 Portofino Chronograph Silver Plated Index Milanaise Mesh Stainless Steel 42mm Automatic

$5,099.00

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 Schaffhausen IW391009 Portofino Chronograph Silver Plated Index Milanaise Mesh Stainless Steel 42mm Automatic

IWC Schaffhausen IW391009 Portofino Chronograph Silver Plated Index Milanaise Mesh Stainless Steel 42mm Automatic

Current Catalogue Asking Price:

Your Offer

$

Submit your offer for review. Availability and the final price require confirmation.

Preferred Contact Method
I have a trade-in / add a note

Reserve with $200

IWC Schaffhausen IW391009 Portofino Chronograph Silver Plated Index Milanaise Mesh Stainless Steel 42mm Automatic

Catalogue watch price: $5,099.00 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.

Shipping details · Return terms

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

After payment, our team starts the tailored search and contacts you to confirm the specific watch and final invoice. A deposit does not guarantee a unit, the listed price or a delivery date.

Need installments? Check eligibility before paying a deposit.

Speak with a Bizak & Co. specialist about this piece

|Call or Text

The IWC Schaffhausen Portofino Chronograph IW391009 is a new 42mm stainless steel dress-sport watch featuring a silver plated dial with clean index markers, a stainless steel bezel, and an elegant Milanaise mesh bracelet. Powered by an automatic movement, this reference blends IWC's storied Swiss engineering with the refined, Italian-inspired aesthetic the Portofino line is celebrated for.

The IW391009 stands apart through its combination of the supple, light-catching Milanaise mesh bracelet and the understated silver index dial — a pairing that transitions effortlessly from boardroom to weekend. Browse this reference for sale now at Bizak & Co. or contact our team for details on pricing, availability, and our white-glove buying experience.

Compare it across every Portofino Chronograph reference we carry, or browse the full IWC Schaffhausen 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.

Not the exact one you’re looking for?

Source your dream watch

Learn More

The IWC Portofino Chronograph IW391009 is a masterclass in refined Swiss watchmaking, drawing its identity from the sun-drenched harbor town of Portofino on the Italian Riviera. IWC Schaffhausen introduced the Portofino collection to celebrate elegant, understated design — a counterpoint to the brand's more tool-oriented Pilot and Aquatimer lines — and the chronograph references within the family carry that philosophy through every detail. The result is a timepiece that feels at home in the most discerning company while remaining thoroughly wearable day to day.

At 42mm in diameter, the stainless steel case of the IW391009 occupies a confident but never imposing footprint on the wrist. Stainless steel is an ideal choice for a watch intended to be worn regularly: it is corrosion-resistant, exceptionally durable, and polishes to the cool, high-luster finish that defines Portofino case design. The stainless steel bezel frames the dial with a clean, uninterrupted ring, keeping the visual focus exactly where it belongs — on the dial itself.

The silver plated dial with index markers is the heart of this reference's appeal. Silver dials have a long heritage in formal watchmaking, lending a cool luminosity that reads differently across light conditions — almost white in bright sunlight, softly warm under candlelight. Applied index markers provide precise, legible hour references without cluttering the dial, and on a chronograph reference they complement the sub-register architecture in a way that baton or Roman numeral alternatives simply cannot. The overall effect is one of quiet confidence rather than ostentation.

The Milanaise mesh bracelet elevates the IW391009 into a category of its own among Portofino chronographs. Milanaise — or Milan — mesh is one of watchmaking's oldest bracelet constructions, woven from fine interlocking stainless steel links to produce a supple, almost fabric-like drape against the wrist. It is simultaneously formal and tactile, catching light along its woven surface while remaining extremely comfortable across long wearing periods. Paired with the silver dial, the mesh creates a tonal harmony that reads as deliberately curated rather than simply matched.

Driving the IW391009 is an automatic movement, meaning the watch winds itself through the natural motion of the wearer's wrist. IWC has long been recognized for producing robustly engineered automatic calibers, and the Portofino Chronograph line benefits from the brand's commitment to reliability and accuracy. Buyers seeking a chronograph that requires no daily manual winding and rewards consistent, long-term wear will find the automatic architecture particularly compelling.

Purchasing the IWC Portofino Chronograph IW391009 from Bizak & Co. means buying with complete confidence. If you are ready to buy the IW391009 online or simply want to learn more before committing, reach out to Bizak & Co. today and experience the difference of dealing with a knowledgeable, trusted luxury watch specialist.

Technical Details
Reference
IW391009
Model
Portofino Chronograph
Movement
Automatic
Case material
Stainless Steel
Bracelet material
Stainless Steel
Dial
Silver Plated with Index Markers
Case size
42mm
FAQ

1. What makes the IWC Portofino Chronograph IW391009 special?
The IW391009 distinguishes itself through the rare combination of a silver plated index dial and a Milanaise mesh bracelet — a pairing that gives the watch an unmistakably refined, Italian-inspired elegance not found on most chronograph references. Its 42mm stainless steel case and automatic movement round out a package that balances dressy aesthetics with everyday practicality.

2. What movement powers the IWC IW391009?
The IW391009 is driven by an automatic movement, which self-winds via a rotor that harnesses the natural motion of the wearer's wrist. This means no manual winding is required for regular wear, making it a highly convenient choice for a daily-wear chronograph.

3. What is the case size of the Portofino Chronograph IW391009?
The IW391009 features a 42mm stainless steel case, a versatile diameter that suits a wide range of wrist sizes. The case is fitted with a stainless steel bezel that maintains the watch's clean, uncluttered profile.

4. Is the IWC Portofino Chronograph IW391009 suitable for everyday wear?
Yes — the stainless steel construction, automatic movement, and durable Milanaise mesh bracelet make the IW391009 an excellent candidate for daily wear. Its elegant silver index dial means it also transitions seamlessly to formal occasions, making it one of the more versatile offerings in the Portofino lineup.

5. What is the dial and bracelet like on the IW391009?
The dial is silver plated and features clean index markers, giving it a refined, luminous appearance that suits both casual and formal contexts. The bracelet is a supple stainless steel Milanaise mesh construction — a woven, almost fabric-like design that is extremely comfortable and visually distinctive.

6. Is the IWC IW391009 a good buy and how can I purchase it from Bizak & Co.?
The IW391009 is offered at Bizak & Co., making it an excellent investment for collectors and first-time IWC buyers alike who want a versatile, beautifully finished Swiss chronograph. Visit bizakandco.com or contact our team directly to get the best price, ask questions, and complete your purchase with confidence.

Certified Authenticity

Every watch is authenticated before delivery.

Real Family Business

You're buying from genuine people, 30 years in business.

Bizak & Co. Warranty

Every watch is checked by us before shipping.

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.

Insured delivery

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.

You might also like...

Customer Reviews

Read our reviews on Trustpilot

  • Great family business

    Great family business. They went out of their way to make my purchase go smoothly, they definitely earned my watch business!

    Paul

    Read on Trustpilot ↗
  • Good seller

    Good seller. Honest family

    Mateusz

    Read on Trustpilot ↗
  • Honest family company

    Honest family company. I’ve done business many times!

    Mollie

    Read on Trustpilot ↗
  • Trusted Seller

    Trusted Seller, Definitely recommend for all watches purchase!

    Consumer

    Read on Trustpilot ↗
  • Trusted and honest seller

    Trusted and honest seller. Deal with confidence.

    Jean Dib

    Read on Trustpilot ↗