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IWC Portofino Automatic Day & Night 18-Carat 5N Gold 34mm Silver Plated Diamond Dial IW659802 - BRAND NEW

IWC Portofino Automatic Day & Night 18-Carat 5N Gold 34mm Silver Plated Diamond Dial IW659802 - BRAND NEW IWC Portofino Automatic Day & Night 18-Carat…

Reference IW659802

Full watch configuration

IWC Portofino Automatic Day & Night 18-Carat 5N Gold 34mm Silver Plated Diamond Dial IW659802 - BRAND NEW

$24,660.00
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 Day & Night 18-Carat 5N Gold 34mm Silver Plated Diamond Dial IW659802 - BRAND NEW

IWC Portofino Automatic Day & Night 18-Carat 5N Gold 34mm Silver Plated Diamond Dial IW659802 - BRAND NEW

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IWC Portofino Automatic Day & Night 18-Carat 5N Gold 34mm Silver Plated Diamond Dial IW659802 - BRAND NEW

Catalogue watch price: $24,660.00 USD

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The IWC Portofino Automatic Day & Night IW659802 is a brand-new 34mm ladies' dress watch crafted in 18-carat 5N gold, featuring a silver plated dial set with diamond indices alongside classic Roman numerals and a gold and diamond bezel. The Day & Night complication adds a discreet layer of functionality to this elegantly restrained timepiece, presented on a fine leather strap.

Reference IW659802 stands apart through the rare combination of warm 5N gold—IWC's proprietary rose-gold alloy prized for its rich, pinkish hue—and the sparkling diamond-accented dial and bezel, making it one of the most desirable Portofino references for collectors and connoisseurs. Contact Bizak & Co. today to purchase this brand-new IWC Portofino at the best price or browse our full collection at bizakandco.com.

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 has long stood as the brand's purest expression of Italian-inspired dress-watch design, conceived to evoke the sun-drenched elegance of the Ligurian coastal village from which it takes its name. Since the line's introduction, the Portofino has distinguished itself within IWC's catalogue through clean, uncluttered dials, slim profiles, and a commitment to precious materials that place it firmly in the haute horlogerie tier of Swiss watchmaking. Reference IW659802 represents this philosophy at its most refined.

The 34mm case is fashioned entirely from 18-carat 5N gold, IWC's proprietary alloy that imparts a distinctively warm, deep rose tone richer than standard 18k rose gold. At 34mm the case size is ideally suited to the wrist of a discerning woman who appreciates proportion and wearability without sacrificing visual presence. The polished surfaces catch the light with characteristic restraint, allowing the case to complement rather than compete with the dial.

The silver plated dial is the centrepiece of IW659802, populated by Roman numerals and diamond-set indices that scatter light across the face in a way that feels celebratory yet never gaudy. The gold and diamond bezel frames the dial with additional sparkle, creating a unified, jewellery-grade composition that transitions seamlessly from boardroom to black-tie occasion. The Day & Night complication, rendered with characteristic IWC clarity, offers a practical pointer to AM or PM for the frequent traveller or the owner who simply appreciates the quiet poetry of tracking the arc of the day.

Powering the watch is an IWC automatic movement, a testament to the Schaffhausen manufacture's engineering rigour even in its most dress-oriented references. IWC's automatic calibres are built to demanding tolerances and service intervals that owners of precious-metal watches particularly value, ensuring that the beauty of the exterior is matched by mechanical reliability within. The movement winds via a rotor with each movement of the wrist, eliminating the need for daily hand-winding.

Presented on a fine leather strap that echoes the watch's Italian design heritage, IW659802 wears with an ease and lightness that reinforces its role as a lifelong companion piece. Whether considered as a personal acquisition, a meaningful gift, or a portfolio addition for a collector focused on gold and gem-set IWC references, this watch occupies a category of its own within the Portofino family.

Bizak & Co. offers this brand-new IWC Portofino IW659802 at a highly competitive price with the assurance of an authorised-standard purchasing experience. Our team of specialist watch advisors is available to answer questions, arrange viewings, or guide you through the acquisition process. Visit bizakandco.com or reach out directly to secure this exceptional piece before it finds its new home.

Technical Details
Reference
IW659802
Model
Portofino
Movement
Automatic
Case material
Yellow Gold
Bracelet material
Leather
Dial
Silver plated with diamond indices and Roman numerals
Case size
34mm
Requested condition
Brand New
FAQ

1. What makes the IWC Portofino IW659802 special?
Reference IW659802 combines an 18-carat 5N gold case with a diamond-set silver plated dial, diamond and gold bezel, and IWC's Day & Night complication in an elegant 34mm package. The use of 5N gold—IWC's proprietary warm rose-gold alloy—gives the piece a depth of colour that sets it apart from standard rose-gold dress watches. It is one of the most jewellery-oriented references in the entire Portofino lineup.

2. What movement powers the IWC Portofino IW659802?
The IW659802 is driven by an IWC automatic movement that winds itself through the natural motion of the wearer's wrist. IWC's automatic calibres are engineered in Schaffhausen to high standards of precision and longevity, making them well suited to a precious-metal watch intended for long-term ownership. Specific calibre details can be confirmed by our team at Bizak & Co.

3. What is the case size of the IWC Portofino IW659802?
The case measures 34mm in diameter, a classic and versatile size that sits elegantly on most women's wrists without appearing oversized. The 18-carat 5N gold construction keeps the watch feeling substantial and luxurious despite its refined proportions. This size has historically been associated with IWC's ladies' Portofino references.

4. Is the IWC Portofino IW659802 suitable for everyday wear?
The Portofino IW659802 is primarily designed as a dress watch, making it most at home in smart or formal settings where its diamond details and gold case can truly shine. Its automatic movement and quality leather strap do allow for regular wear, though owners of precious-metal and gem-set watches typically reserve them for special occasions to preserve their condition. It is an ideal choice for someone seeking a refined timepiece that doubles as a jewellery statement.

5. What are the dial and material details of the IW659802?
The dial is silver plated and features a combination of Roman numerals and diamond-set indices that provide depth and brilliance without overwhelming the clean Portofino aesthetic. The case and crown are crafted from 18-carat 5N gold, IWC's warm proprietary rose-gold alloy, while the bezel is set with diamonds for additional lustre. Together these elements create a coherent, high-jewellery composition.

6. How can I buy the IWC Portofino IW659802 and is it a good investment?
You can purchase this brand-new IWC Portofino IW659802 directly through Bizak & Co. at bizakandco.com or by contacting our specialist team for personalised assistance and best-price enquiries. Precious-metal IWC Portofino references with diamond complications historically hold strong collector interest due to their limited production and jewellery-grade specification. Reach out to Bizak & Co. today to confirm availability and secure this exceptional timepiece.

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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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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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