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IWC Portofino Complete Calendar 18-Carat 5N Gold 41mm Silver Plated Dial IW359002 - BRAND NEW

IWC Portofino Complete Calendar 18-Carat 5N Gold 41mm Silver Plated Dial IW359002 - BRAND NEW IWC Portofino Complete Calendar 18-Carat 5N Gold…

Reference IW359002

Full watch configuration

IWC Portofino Complete Calendar 18-Carat 5N Gold 41mm Silver Plated Dial IW359002 - BRAND NEW

$19,275.00
Requested condition
Brand New
Requested accessories
Full Set

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 Complete Calendar 18-Carat 5N Gold 41mm Silver Plated Dial IW359002 - BRAND NEW

IWC Portofino Complete Calendar 18-Carat 5N Gold 41mm Silver Plated Dial IW359002 - BRAND NEW

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IWC Portofino Complete Calendar 18-Carat 5N Gold 41mm Silver Plated Dial IW359002 - BRAND NEW

Catalogue watch price: $19,275.00 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 Complete Calendar IW359002 is a brand-new 41mm dress watch crafted in 18-carat 5N gold, featuring a silver-plated dial with index hour markers, a matching gold bezel, and an elegant leather strap — a refined expression of IWC's horological craft at its most classically beautiful.

The IW359002 stands apart through its combination of a warm 5N gold case, clean silver-plated dial, and perpetual-calendar complication in a wearable 41mm footprint, making it a statement piece for the discerning collector. Contact Bizak & Co. today to secure yours or buy online at bizakandco.com.

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

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The IWC Portofino Complete Calendar IW359002 represents one of the most quietly authoritative dress watches in the contemporary Swiss watchmaking landscape. Built around a 41mm case hewn from 18-carat 5N gold — a warm, rose-toned gold alloy that IWC selects for its rich, lasting patina — this reference sits squarely in the tradition of Italian-inspired elegance that has defined the Portofino family since its introduction. The result is a watch that reads as understated from a distance yet rewards close attention with layers of material and mechanical depth.

The Portofino line takes its name from the picturesque Italian fishing village on the Ligurian coast, and IWC has always designed these watches to evoke that atmosphere of effortless, sun-drenched sophistication. Clean dials, slender profiles, and restrained ornamentation are the hallmarks of the collection, and the IW359002 honors that heritage faithfully. The silver-plated dial provides a luminous, cool-toned canvas that contrasts beautifully with the warm gold of the case and bezel, while applied index hour markers keep the aesthetic disciplined and legible.

The defining complication of this reference is the Complete Calendar, which displays the date, day of the week, and month simultaneously — delivering rich calendar information within a dial layout that remains elegant and uncluttered. IWC's Complete Calendar mechanism is a proven, enduring feature of the Portofino line and speaks to the brand's engineering philosophy: meaningful complications executed with mechanical integrity and genuine wearability. The automatic movement driving this watch reflects IWC's commitment to in-house and certified-movement excellence, offering reliable daily performance.

At 41mm in diameter, the IW359002 occupies the ideal sweet spot for a modern dress watch. Large enough to hold presence on the wrist and to display the calendar subdials clearly, yet proportioned with the slim elegance that leather-strap dress watches demand, it wears with equal confidence under a formal suit or a relaxed linen jacket. The leather strap completes the aesthetic, reinforcing the watch's dressy character and ensuring a comfortable, supple fit against the skin.

Purchasing a brand-new IW359002 from Bizak & Co. means acquiring the watch in pristine, unworn condition, complete with box and papers — the full presentation that protects both the experience of ownership and the long-term value of the piece. IWC Portofino references in precious metal with calendar complications are perennial favorites among collectors who appreciate classical horology, and the 5N gold case ensures this watch will only grow more distinguished with time. Reach out to the team at bizakandco.com to inquire, place your order, or request additional details — we are here to make your acquisition seamless and confident.

Technical Details
Reference
IW359002
Model
Portofino
Movement
Automatic
Case material
Yellow Gold
Bracelet material
Leather
Dial
silver-plated with index hour markers
Case size
41mm
Requested condition
Brand New
Requested accessories
Full Set
FAQ

1. What makes the IWC Portofino IW359002 special?
The IW359002 combines a Complete Calendar complication — showing date, day, and month — with a luxurious 18-carat 5N gold case and a silver-plated dial in a single elegant 41mm package. This balance of meaningful complication and restrained Portofino design makes it one of the most distinctive dress watches in IWC's current lineup.

2. What movement powers the IWC Portofino Complete Calendar IW359002?
The IW359002 is powered by an automatic movement, consistent with the Portofino Complete Calendar family's use of self-winding calibers. The specific caliber designation is best confirmed via the official documentation included in the box and papers supplied with this brand-new example.

3. What is the case size of the IWC Portofino IW359002?
The IW359002 measures 41mm in diameter, making it a versatile and modern size for a dress watch. This footprint is large enough to display the calendar subdials clearly while remaining proportionate and elegant on a wide range of wrist sizes.

4. Is the IWC Portofino IW359002 suitable for everyday wear?
While its 18-carat gold construction and dress-watch aesthetics make the IW359002 particularly well suited to formal and smart-casual occasions, it is a robust and well-engineered IWC timepiece capable of daily wear for those who prefer a refined watch as their everyday companion. The leather strap and automatic movement are designed for consistent, comfortable use.

5. What are the case material and dial details of the IW359002?
The case and bezel are crafted from 18-carat 5N gold, a warm rose-toned alloy prized for its rich color and durability. The dial is silver-plated and features applied index hour markers, creating a clean, luminous surface that contrasts elegantly with the gold case.

6. How can I buy the IWC Portofino IW359002 from Bizak & Co.?
The IW359002 is available brand new with box and papers at Bizak & Co. — you can purchase it online at bizakandco.com or contact our team directly for personalized assistance, pricing, and shipping details. We are committed to providing a transparent, expert buying experience for every customer.

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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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