IWC Portugieser Portugieser Yacht Club Chronograph 43.5 Red Gold / Ardoise

Reference IW3905-05

About this watch

The IWC Portugieser Yacht Club Chronograph IW3905-05 is a stunning timepiece that effortlessly combines elegance with functionality. Crafted from 18-carat red gold, this watch exudes luxury with its striking appearance and sapphire crystal glass. The ardoise grey dial features Arabic numerals and beautifully crafted feuille hands, offering excellent legibility and aesthetic appeal. At the core of the IW3905-05 is the IWC Caliber 89361, a self-winding flyback chronograph movement built to last with a power reserve of 68 hours and frequency of 28,800 vibrations per hour. The watch has a water resistance rating of 60 meters, making it suitable for sailing enthusiasts and everyday wear. With its unique blend of sportiness and elegance, the IWC Portugieser Yacht Club Chronograph IW3905-05 is an heirloom-quality timepiece that reflects your lifestyle and values.
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Key Features

  • 18-carat red gold case
  • Sapphire crystal glass for scratch resistance
  • IWC Caliber 89361 flyback chronograph movement
  • Water resistance rating of 60 meters
  • Feuille hands with excellent legibility
  • Ardoise grey dial with Arabic numerals
  • Self-winding mechanism with 38 jewels

Specifications

Brand
IWC
Family
Portugieser
Model
Portugieser Yacht Club Chronograph 43.5 Red Gold / Ardoise
Reference
IW3905-05
Movement
89361
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Flyback
Case
Red Gold 43.5mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
60

Current Listings

[WTS] IWC Portugieser Chronograph IW371624 Dune Dial Full Set

IWC Portugieser Chronograph IW371624 Dune Dial Full Set

IWC - IW371624 · $7,497
A pre-owned Portugieser Chronograph with a dune dial, featuring an automatic movement and a stainless steel case.

  • Condition: Very good
  • Case size: 41mm
  • Case material: Stainless steel
  • Movement type: Automatic
Posted at
Apr 20, 2026, 9:05 AM
Active
[WTS] IWC Portugieser Tourbillon Mystere, White Gold IW504207 ♦️Lightly Used Undated♦️

IWC Portugieser Tourbillon Mystere, White Gold IW504207 ♦️Lightly Used Undated♦️

IWC - IW504207 · $30,457
This listing is for an IWC Portugieser Tourbillon Mystere in White Gold, featuring a tourbillon mechanism. The watch has been lightly used and comes with the full set of box and papers.

  • Condition: Lightly Used
  • Material: White Gold
  • Comes With: Full set (box & papers)
Posted at
Apr 20, 2026, 5:38 AM
Active
[WTS] IWC Schaffhausen Portugieser. Blue Hands/Indices. 40mm. IW358312. Card Included..

IWC Schaffhausen Portugieser. Blue Hands/Indices. 40mm. IW358312. Card Included..

This IWC Portugieser is a gorgeous watch with an inhouse movement, available for sale. It features blue hands and indices on a 40mm case.

  • Case size: 40mm diameter
  • Movement type: inhouse
Posted at
Apr 19, 2026, 11:42 AM
Active
[WTS] IWC Portugieser Jubilee Ref. 5441 – 18k Rose Gold – Limited Edition 006/500 – REDUCED PRICE

IWC Portugieser Jubilee Ref. 5441 – 18k Rose Gold – Limited Edition 006/500 – REDUCED PRICE

IWC - 5441 · $13,249
A limited edition IWC Portugieser Jubilee Ref. 5441 in 18k rose gold produced to celebrate IWC's 125th anniversary, featuring a manual-winding movement and classic Portugieser design language.

  • Condition: Overall very good vintage condition, minor scuffing around the ~10 o'clock area on the crystal.
  • Case Size: ~42 mm
  • Dial Color: Silver
  • Movement Type: Manual winding
Posted at
Apr 18, 2026, 2:43 PM
Active
[WTS][US] IWC Portugieser Automatic 40 - Silver Dial - 40mm - IW358312 - BRAND NEW

[US] IWC Portugieser Automatic 40 - Silver Dial - 40mm - IW358312 - BRAND NEW

IWC - IW358312 · $7,025
This IWC Portugieser Automatic 40 is a brand new timepiece with a silver dial and 40mm case size. It features an automatic movement and comes with all original accessories.

  • Condition: Brand new, unworn
  • Case size: 40mm
  • Movement type: Automatic
Posted at
Apr 18, 2026, 8:18 AM
Active
[WTS] IWC Portugieser Chronograph IW371624 Dune Dial Full Set

IWC Portugieser Chronograph IW371624 Dune Dial Full Set

IWC - IW371624 · $7,497
This pre-owned IWC Portugieser Chronograph is a stainless steel timepiece with a dune dial on a black alligator strap, featuring an automatic movement.

  • Condition: Very good condition
  • Case diameter: 41mm
  • Movement type: Automatic
Posted at
Apr 13, 2026, 9:11 AM
Active
[WTS][US] IWC Portugieser Automatic 40 - Silver Dial - 40mm - IW358312 - BRAND NEW

[US] IWC Portugieser Automatic 40 - Silver Dial - 40mm - IW358312 - BRAND NEW

IWC - IW358312 · $7,050
This IWC Portugieser Automatic 40 features a silver dial and is fully functional without any issues.

  • Condition: Brand new, unworn
  • Case diameter: 40mm
Posted at
Apr 11, 2026, 8:56 AM
Active
IWC Portugieser Chronograph - 41mm - Gold Numerals - IW371604 ( new / 2024 )

IWC Portugieser Chronograph - 41mm - Gold Numerals - IW371604 ( new / 2024 )

IWC - IW371604 · $6,995
This IWC Portugieser Chronograph features a stainless steel case and gold numerals. It comes with all the original boxes, papers, booklets, and IWC Warranty Card.

  • Condition: unworn
  • Case size: 41mm diameter
  • Movement: In-House Calibre 69355
Posted at
Apr 2, 2025, 3:10 PM
Active
2023 IWC Portugieser 42 / IW500715

2023 IWC Portugieser 42 / IW500715

IWC - IW500715 · $8,675
2023 IWC Portugieser 42, a luxury watch in excellent condition with original boxes and papers. Comes with warranty card.

  • Condition: Very Good Condition
  • Boxes: Yes, complete set
  • Papers: Complete
  • Warranty: With warranty card
Posted at
Apr 1, 2025, 10:21 PM
Active