Skip to product information
IWC Portofino Automatic Day & Night Steel 34mm Blue Diamond Dial IW659801 - BRAND NEW

IWC Portofino Automatic Day & Night Steel 34mm Blue Diamond Dial IW659801 - BRAND NEW

$10,690.00

*As with all fine timepieces, prices and availability are subject to market conditions and do not constitute a binding agreement.

By IWC

Sell or Trade
IWC Portofino Automatic Day & Night Steel 34mm Blue Diamond Dial IW659801 - BRAND NEW

IWC Portofino Automatic Day & Night Steel 34mm Blue Diamond Dial IW659801 - BRAND NEW

Current Market Valuation:

Your Offer

$

Most accepted offers fall within 1–5% of market valuation

Preferred Contact Method
I have a trade-in / add a note
IWC Portofino Automatic Day & Night Steel 34mm Blue Diamond Dial IW659801 - BRAND NEW

Reserve with a $200 Deposit

IWC Portofino Automatic Day & Night Steel 34mm Blue Diamond Dial IW659801 - BRAND NEW · $

  • A fully refundable $200 deposit secures this watch and confirms your order.
  • The balance of $ is paid by bank wire — instructions are emailed to you right after checkout.
  • Market prices move: if the price changes or we cannot secure the piece, your deposit is refunded in full.
  • A specialist confirms your order personally within hours; your watch ships fully insured once the wire clears.
  • Complimentary bracelet sizing before shipping — how to measure your wrist.

The deposit is a commitment to buy — not a hold while you decide. By continuing you confirm you intend to complete the purchase by bank wire.

Prefer to arrange everything personally? WhatsApp a specialist

Speak with a Bizak & Co. specialist about this piece

|Call or Text

The IWC Portofino Automatic Day & Night IW659801 is a brand-new 34mm stainless steel dress watch featuring an elegant blue diamond dial and a classic leather strap. This reference pairs refined Italian-inspired aesthetics with IWC's hallmark automatic movement engineering, making it one of the most desirable Portofino references currently available for sale.

The IW659801 stands out for its diamond-set dial, cool blue color palette, and the sophisticated Day & Night complication that elevates it beyond a simple time-only watch. Available now at Bizak & Co., this piece represents exceptional value in the luxury watch market — contact us 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.

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.

Not the exact one you’re looking for?

Source your dream watch

Learn More

The IWC Portofino Automatic Day & Night IW659801 is one of the most compelling modern dress watches in the IWC lineup, blending classical elegance with a genuinely useful complication. First introduced as a family inspired by the glamour of the Italian Riviera town of Portofino, the Portofino collection has long stood as IWC's answer to the purist dress watch: clean lines, understated proportions, and a dial philosophy rooted in legibility and beauty rather than technical complexity. The IW659801 represents the culmination of that heritage in a contemporary form.

At 34mm in stainless steel, this reference is sized with deliberate elegance. The 34mm case diameter occupies the sweet spot between a bold statement and effortless refinement, sitting beautifully on a range of wrists and pairing naturally with everything from formal attire to smart-casual dress. The stainless steel case and bezel offer durability without sacrificing the polished, jewelry-grade finish that the Portofino line demands, while the leather strap completes the dressy character of the watch with a supple, comfortable wearing experience.

The blue diamond dial is undeniably the star of this reference. The rich blue tone lends depth and personality to the dial, setting this Portofino apart from its more traditional white and silver-dialed stablemates. Diamond indices add a layer of luxury and light-catching brilliance that makes the watch suitable for evening occasions and celebrations without ever feeling excessive. The Day & Night complication, discreetly integrated into the dial layout, provides a meaningful and practical function, allowing the wearer to distinguish AM from PM at a glance — a subtle yet intelligent addition to a dress watch.

Powering the IW659801 is an IWC automatic movement, a hallmark of the brand's commitment to in-house and high-quality Swiss manufacture. IWC has built its reputation over more than 150 years on producing robust, accurate, and beautifully finished movements, and the Portofino family benefits fully from that heritage. The automatic winding mechanism ensures convenience for everyday wear, keeping the watch running without the need for manual winding as long as it is worn regularly.

Buying a brand-new IWC Portofino IW659801 from Bizak & Co. means acquiring a watch in factory-fresh condition, backed by the full manufacturer's warranty and the assurance of an authorized and trusted luxury watch dealer. At Bizak & Co., we pride ourselves on sourcing only authentic, properly documented timepieces and providing white-glove service from inquiry through delivery. Whether you are adding to a collection, marking a milestone, or purchasing a first luxury watch, the IW659801 is a timepiece that will reward you for years to come. Visit bizakandco.com to buy this reference online or contact our team directly for personalized assistance.

Technical Details

Reference Number IW659801

Model Family Portofino

Movement Automatic

Case Material Stainless Steel

Bracelet Material Leather

Dial Blue Diamond

Case Dimension 34mm

Year

Condition Brand New

Box & Papers

FAQ

1. What makes the IWC Portofino IW659801 special?
The IW659801 distinguishes itself with a blue diamond-set dial and the practical Day & Night complication, both housed in a refined 34mm stainless steel case. This combination of jewelry-grade aesthetics and functional horological detail makes it one of the most elegant and versatile references in the Portofino collection.

2. What movement powers the IWC Portofino IW659801?
The IW659801 is powered by an IWC automatic movement, consistent with the brand's long tradition of reliable Swiss mechanical watchmaking. The automatic rotor winds the movement through the natural motion of the wearer's wrist, ensuring continuous and convenient operation.

3. What is the case size of the IWC Portofino IW659801?
The IW659801 features a 34mm stainless steel case, a size that sits firmly in the refined, elegant end of the spectrum. It is a versatile diameter that wears comfortably on a wide range of wrist sizes and suits both formal and smart-casual occasions.

4. Is the IWC Portofino IW659801 suitable for everyday wear?
Yes, the Portofino IW659801 is well-suited to daily wear for those who favor a dress-oriented timepiece. The stainless steel case offers durability, the automatic movement is low-maintenance, and the leather strap is comfortable for extended wear throughout the day.

5. What are the dial and material details of the IW659801?
The IW659801 features a blue dial set with diamond hour markers, offering a luxurious and eye-catching aesthetic. The case and bezel are crafted in stainless steel, and the watch is worn on a leather strap, combining durability with classic dress-watch elegance.

6. Is the IWC Portofino IW659801 a good buy, and how can I purchase it from Bizak & Co.?
The IW659801 is a brand-new reference from one of Switzerland's most storied watchmakers, combining a desirable complication, diamond detailing, and timeless Portofino design — making it an excellent long-term acquisition. You can buy this reference online at bizakandco.com or contact the Bizak & Co. team directly for personalized assistance and the best available price.

Certified Authenticity

Each watch we sell comes with original box & papers.

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

Every watch you buy from us is backed by our 5-year warranty—because luxury should come with long-term peace of mind.

If anything goes wrong mechanically due to a manufacturing issue, we’ll take care of it. No stress. No surprises.

Because trust isn’t built in a transaction—it’s built over time.

90 Day Return Policy

Our costumers trust us and we trust them. That's why we're boldly presenting the best return policy in the industry.

We take all the risk so you don't have to.

Signature personal delivery service

For high-value orders, we offer our exclusive Signature Personal Delivery—where one of our team members personally flies out to hand-deliver your watch.

Because some pieces deserve more than just shipping—they deserve a handshake.

You might also like...