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

Reference IW5901-10

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
30

Current Listings

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The IWC Portugieser Chronograph is an icon of watchmaking with a timeless design and understated elegance. This 18k solid rose gold version offers a significant increase in luxury and exclusivity.

  • Condition: Excellent
  • Case material: 18k solid rose gold
  • Band: Original IWC Leather Strap with 18k RG Tang Buckle
Posted at
Feb 20, 2025, 10:07 PM
Active
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IWC Portugieser Automatic 7 Day Power Reserve with blue hand and index, a men's watch measuring 43mm in size.

  • Condition: 95%
  • Case Material: 18K Rose Gold
  • Movement Type: Mechanical Manual
Posted at
Feb 19, 2025, 3:22 PM
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IWC Portugieser Chronograph - 41mm - Beige Dial - IW371624 ( unworn / 2025 )

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Up for sale is an unworn IWC Portugieser Chronograph in 41mm stainless steel, featuring a beige dial and in-house Calibre 69355.

  • Condition: Unworn
  • Case material: Stainless Steel
  • Case size: 41mm
Posted at
Feb 11, 2025, 3:46 PM
Active
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  • Condition: EXCELLENT
  • Material: stainless steel
  • Band material: calfskin
  • Case size: 41mm
Posted at
Feb 10, 2025, 12:43 PM
Active
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  • Condition: Mint condition with little to no signs of wear
  • Case size: 42.3MM
  • Water resistance: unknown
  • Movement: Automatic
Posted at
Feb 7, 2025, 2:18 PM
Active
MINT Iwc IW500701 PORTUGIESER 7 DAY POWER RESERVE 18K ROSE GOLD 2024 FULL SET

MINT Iwc IW500701 PORTUGIESER 7 DAY POWER RESERVE 18K ROSE GOLD 2024 FULL SET

IWC - IW500701 · $13,625
This is a beautiful 2024 IWC Portuguese 7 Day Power Reserve in 18K rose gold with a silver dial and 41mm case. It comes with a Santoni dark brown alligator leather strap and an 18K rose gold deployant clasp.

  • Condition: Mint, unpolished condition
  • Case Size: 41mm
  • Power Reserve: 7 days
  • Warranty Years Remaining: under 8 years
Posted at
Feb 6, 2025, 10:33 PM
Active
IWC Portugieser Chronograph - 41mm - Blue Rubber - IW371620 ( new / 2024 )

IWC Portugieser Chronograph - 41mm - Blue Rubber - IW371620 ( new / 2024 )

IWC - IW371620 · $7,250
This IWC Portugieser Chronograph features a 41mm stainless steel case, white and blue dial, and comes with an IWC Warranty Card dated November 2024.

  • Condition: Unworn condition
  • Case size: 41mm diameter
  • Movement: In-House Calibre 69355
Posted at
Feb 3, 2025, 3:20 PM
Active
IWC Portugieser Chronograph - 41mm - Blue Dial - IW371606 ( new / 2024 )

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IWC - IW371606 · $6,750
This IWC Portugieser Chronograph features a stainless steel case, in-house Calibre 69355 movement, and blue dial.

  • Condition: Unworn
  • Case size: 41mm diameter
  • Materials: Stainless Steel
Posted at
Feb 3, 2025, 3:19 PM
Active