IWC Portugieser Portugieser Constant-Force Tourbillon Double Moon Platinum / Green

Reference IW5901-10

IWC Portugieser Constant-Force Tourbillon Double Moon Platinum / Green

About this watch

The IWC IW5901-10 Portugieser Constant-Force Tourbillon Double Moon Platinum / Green is a masterpiece that marries technology with art. This stunning timepiece radiates elegance with its platinum case and green sunburst finish, making it an instant conversation starter. The 46 mm diameter case is bold yet refined, designed to fit comfortably on the wrist. The dial features Arabic numerals, feuille hands, and a mesmerizing combination of moonphase indicator and constant force mechanism display. At the heart of this watch is the IWC manufactured Caliber 94800, showcasing the brand's commitment to excellence with its 43 jewels and 18,000 vibrations per hour frequency. The patented constant force mechanism ensures stable amplitude, while the tourbillon escapement provides a unique 1-second jump. With a 96-hour power reserve, this watch offers reliability that few can match. Its 30 meters of water resistance means it can handle splashes and light rain, although it's not designed for underwater adventures. The limited edition of only 5 units adds a layer of exclusivity, making owning this piece a badge of honor for serious collectors.

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Key Features

IWC Caliber 94800 movement
Platinum case with green sunburst finish
46 mm diameter and 13.40 mm height
30 meters water resistance
Limited edition of only 5 units
Patented constant force mechanism
Tourbillon escapement with unique 1-second jump

Specifications

Brand

IWC

Family

Portugieser

Model

Portugieser Constant-Force Tourbillon Double Moon Platinum / Green

Reference

IW5901-10

Movement

94800

Movement Features

Minutes, Hours, Small Seconds
Moonphase
Constant Force Mechanism, Tourbillon Escapement, Power Reserve Indicator

Case

46mm

Dial Color

Green

Crystal

Sapphire

Water Resistance

Current Listings

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IWC - IW504207 · $30,300

This IWC Portugieser Tourbillon Mystere features a white gold case and is in lightly used condition. It comes with a full set, including the box and papers.

Condition: Lightly Used
Case material: White Gold
Movement: Calibre 65

Posted at

May 18, 2026, 4:42 AM

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IWC Portugieser Regulateur. IW544401. Box, Papers...

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This IWC Portugieser Regulateur is being sold with its original box and papers.

Posted at

May 17, 2026, 2:38 PM

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IWC Portugieser Automatic (IW500109)

IWC - IW500109 · $5,500

This IWC Portugieser Automatic is a discontinued reference featuring a black dial on a black leather strap. It comes with box, booklets, and warranty card dated January 2011.

Condition: Very Good
Case Size: 42mm
Case Material: Stainless Steel
Bracelet Material: Leather

Posted at

May 17, 2026, 10:08 AM

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This IWC Portugieser Automatic 40 is a high-end mechanical watch with a silver dial and 40mm case. It's fully linked and comes with an extensive set of accessories. The watch functions perfectly mechanically and is in pristine condition.

Condition: Brand new, unworn
Case size: 40mm

Posted at

May 16, 2026, 7:40 AM

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IWC Portugieser Hand-Wound Eight Days Edition 150 Years - $5,000

IWC - Portugieser Hand-Wound Eight Days Edition 150 Years · $5,000

Up for sale is an IWC Portugieser Hand-Wound Eight Days Edition 150 Years, a dress watch that rarely gets worn.

Condition: 2 light marks on the case, clean crystal
Case condition: 2 light marks on the case
Crystal condition: clean
Included accessories: original boxes, original strap, extra blue alligator strap, documents

Posted at

May 15, 2026, 3:45 PM

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2022 IWC Portugieser Chronograph Green IW371615 41mm Full Set - $5,995

IWC - IW371615 · $5,995

A 2022 IWC Portugieser Chronograph Green, a 41mm luxury watch featuring chronograph functionality.

Condition: Excellent condition with minimal signs of wear
Case Size: 41mm

Posted at

May 14, 2026, 12:47 PM

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IWC Portugieser Chronograph IW371624 Automatic Dune Dial 2024 41mm Full Set

IWC - IW371624 · $6,997

This pre-owned IWC Portugieser Chronograph features a stainless steel case with dune dial on black alligator strap and automatic movement.

Condition: Very good condition
Case size: 41mm diameter
Movement type: Automatic

Posted at

May 11, 2026, 8:52 AM

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IWC Portugieser Automatic (IW500109)

IWC - IW500109 · $5,500

This IWC Portugieser Automatic is a discontinued reference featuring a black dial on a black leather strap, with a case size of 42mm and stainless steel construction. It comes with box, booklets, and warranty card dated January 2011.

Condition: very good
Case size: 42mm diameter
Case material: Stainless Steel
Bracelet material: Leather

Posted at

May 10, 2026, 11:45 AM

Active

View listing on r/WatchExchange