Our remarks

 WC Portugieser Minute Repeater – Ref. IW5240 – 18k White Gold – Service Box — Papers – 2005 – IWC Service 2026 – Very Rare

We are delighted to present this extraordinary IWC Portugieser Minute Repeater Ref. IW5240, an exceptionally rare and highly sophisticated grand complication from one of Switzerland’s most respected manufactures, offered here in elegant 18k white gold and accompanied by an IWC service completed in 2026.

The Portugieser collection has long represented the pinnacle of classical watchmaking within the IWC universe, celebrated for its timeless design language, balanced proportions, and technical refinement. Among the rarest and most prestigious interpretations ever created stands the Minute Repeater Ref. IW5240—a watch that combines understated elegance with one of haute horlogerie’s most revered complications.

Crafted entirely in solid 18k white gold, the watch features the iconic Portugieser case design with its clean bezel, slender profile, and harmonious dial proportions. The precious metal construction gives the piece a refined and discreet presence on the wrist, while preserving the unmistakably sophisticated character that defines the Portugieser lineage.

The dial embodies the purity and symmetry for which the Portugieser collection is renowned. Elegant feuille hands, applied numerals, and perfectly balanced subdials create a timeless aesthetic rooted in classical watchmaking traditions. 

At the heart of this remarkable timepiece beats the manually wound IWC Minute Repeater movement caliber 95290, a masterpiece of acoustic engineering and traditional craftsmanship. The minute repeater complication—capable of chiming the time on demand through an intricate system of hammers and gongs—remains one of the most difficult and prestigious achievements in mechanical watchmaking.

The watch furthermore benefits from a valuable IWC factory service completed in 2026, significantly enhancing both collectibility and peace of mind for the future owner.

Complicated IWC references of this caliber are produced only in extremely limited numbers and are seldom encountered on the open market. The Ref. IW5240 represents a fascinating blend of understated German-Swiss design philosophy and true haute horlogerie complication, making it particularly appealing to serious collectors seeking rarity combined with discreet elegance.

This rare 2005 example is offered with:

- IWC service box

- Solid 18k white gold case

- Highly complicated Minute Repeater movement

- Classic Portugieser dial configuration

- Manually wound IWC caliber 95290

- IWC factory service completed in 2026

- Excellent overall condition

- Rare and highly collectible reference

“The IWC Portugieser Minute Repeater Ref. IW5240 represents the quiet sophistication of true haute horlogerie— the white gold model are by far the rarest. Don’t miss it.