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IWC Portugieser Perpetual Calendar White Gold 42.4mm Horizon Blue Dial IW501708 - BRAND NEW

IWC Portugieser Perpetual Calendar White Gold 42.4mm Horizon Blue Dial IW501708 - BRAND NEW IWC Portugieser Perpetual Calendar White Gold 42.4mm…

Reference IW501708

Full watch configuration

IWC Portugieser Perpetual Calendar White Gold 42.4mm Horizon Blue Dial IW501708 - BRAND NEW

$25,140.00
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 Portugieser Perpetual Calendar White Gold 42.4mm Horizon Blue Dial IW501708 - BRAND NEW

IWC Portugieser Perpetual Calendar White Gold 42.4mm Horizon Blue Dial IW501708 - BRAND NEW

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IWC Portugieser Perpetual Calendar White Gold 42.4mm Horizon Blue Dial IW501708 - BRAND NEW

Catalogue watch price: $25,140.00 USD

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The IWC Portugieser Perpetual Calendar IW501708 is a brand-new 42.4mm white gold dress watch featuring a horizon blue dial with classic Arabic numerals and a perpetual calendar complication. The white gold case is paired with a leather strap, delivering an effortlessly refined aesthetic that defines the Portugieser lineage.

What sets the IW501708 apart is the rare combination of a precious white gold case, a richly toned horizon blue dial, and one of watchmaking's most intellectually satisfying complications — the perpetual calendar — all presented in pristine, unworn condition with full box and papers. Contact Bizak & Co. today to purchase this exceptional IWC Portugieser Perpetual Calendar and experience our white-glove service.

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

Buy this Portugieser, 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 Portugieser Perpetual Calendar IW501708 is one of the most compelling expressions of grand complication watchmaking available in the modern luxury market. Born from a lineage that traces its roots to the late 1930s, when IWC engineer Karl Kochert developed oversized, legible pocket-watch-inspired wristwatches for Portuguese merchants, the Portugieser has evolved into a byword for architectural elegance and horological ambition. The perpetual calendar variant sits at the pinnacle of that tradition, automatically accounting for months of different lengths and leap years without requiring manual date correction until the year 2100.

The reference IW501708 makes an immediate statement through its 42.4mm white gold case — a choice of case material that amplifies the watch's formal character and luminous, almost architectural presence on the wrist. White gold is harder and more scratch-resistant than yellow or rose gold, lending the Portugieser a crisp, cool brilliance that catches light in a uniquely understated way. The case proportions — characteristic of the Portugieser family — feature a slim, round profile with long, elegant lugs that allow the watch to lie flat and comfortable against even a slender wrist.

The horizon blue dial is a defining visual triumph of this reference. The rich, gradient-adjacent blue tone evokes the deep Atlantic horizon that inspired the original Portugieser's commission, and it provides a dramatic yet sophisticated backdrop for the Arabic numeral hour markers that are a hallmark of the model family. The perpetual calendar's sub-dials — displaying the date, day, month, and moon phase — are arranged with IWC's characteristic sense of balance and legibility, ensuring that even in low light the wearer can read every indication at a glance. Blue dials in white gold cases have become among the most coveted configurations in modern fine watchmaking, and the IW501708 exemplifies why.

Powering the IW501708 is an automatic movement, befitting a watch at this level of the IWC catalogue. The Portugieser Perpetual Calendar has long been home to IWC's sophisticated in-house perpetual calendar mechanism, a module celebrated for its intuitive quick-set correctors and the reliability of its calendar switching. The automatic winding architecture ensures the watch remains effortless to live with day to day, requiring only the motion of the wrist to maintain its reserve — a practical virtue in a watch of such cerebral complexity.

Wrist presence is a phrase often used loosely, but on the IW501708 it carries real meaning. The 42.4mm diameter occupies that ideal territory between a statement piece and a genuinely versatile dress watch, reading with authority beneath a French cuff while remaining proportionate against the wrist. The leather strap — proper attire for a white gold Portugieser — grounds the watch in classical elegance, lending it the suppleness and warmth that a bracelet could never replicate on a complication of this register.

Bizak & Co. is pleased to offer this IWC Portugieser Perpetual Calendar IW501708 in brand-new condition, complete with full box and papers, at the best price. Purchasing from Bizak & Co. means dealing with a knowledgeable, trusted luxury watch specialist committed to authenticity, transparency, and an exceptional client experience. Whether you are a seasoned collector adding a perpetual calendar to a mature collection or a discerning buyer acquiring a generational timepiece, the IW501708 represents an extraordinary opportunity. Reach out to our team to inquire, verify availability, or arrange a purchase — we are here to make the process seamless.

Technical Details
Reference
IW501708
Model
Portugieser
Movement
Automatic
Case material
White Gold
Bracelet material
Leather
Dial
Horizon blue with Arabic numerals
Case size
42mm
Requested condition
Brand New
Requested accessories
Full Set
FAQ

1. What makes the IWC Portugieser Perpetual Calendar IW501708 special?
The IW501708 combines three highly sought-after attributes: a perpetual calendar complication that requires no manual date correction until 2100, a precious 42.4mm white gold case, and a striking horizon blue Arabic dial. This configuration places it among the most prestigious references in the current IWC Portugieser lineup.

2. What movement powers the IWC Portugieser IW501708?
The IW501708 is driven by an automatic movement incorporating IWC's perpetual calendar mechanism, which intelligently tracks months of varying lengths and leap years without intervention. The self-winding architecture keeps the watch running through normal daily wear, making it as practical as it is impressive.

3. What is the case size of the IWC Portugieser Perpetual Calendar IW501708?
The IW501708 measures 42.4mm in diameter, a size that is characteristic of the Portugieser family and strikes an ideal balance between legibility and elegance. The case is crafted in white gold and features the long, graceful lugs that are a signature of the Portugieser silhouette.

4. Is the IWC Portugieser Perpetual Calendar IW501708 suitable for everyday wear?
Yes — the automatic perpetual calendar is designed to reward consistent wear, as wrist motion keeps it wound and the calendar running accurately. While its white gold case and perpetual calendar complication position it firmly in dress-watch territory, its robust construction and comfortable 42.4mm proportions make it a thoroughly wearable daily companion for the discerning wearer.

5. What is the dial like on the IWC Portugieser IW501708?
The dial features a horizon blue finish that is both rich and versatile, pairing beautifully with the white gold case. Classic Arabic numerals mark the hours in the tradition of the original Portugieser, while the perpetual calendar sub-dials — for date, day, month, and moon phase — are distributed across the dial with IWC's characteristic legibility and balance.

6. Is the IWC Portugieser IW501708 a good buy, and how can I purchase it from Bizak & Co.?
The IW501708 in white gold with a horizon blue dial is a compelling investment in both horological craft and enduring style, offered here brand new with full box and papers at the best price. To purchase or learn more, simply contact Bizak & Co. through bizakandco.com — our specialists are ready to assist you with a seamless, fully authenticated transaction.

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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.

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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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