IWC Portugieser Portugieser Regulateur Tourbillon Platinum / Silver

Reference IW5446-01

About this watch

The IWC IW5446-01 Portugieser Regulateur Tourbillon Platinum / Silver is a masterpiece that blends luxury and sophistication. Crafted from platinum, this watch exudes elegance with its silver dial adorned with Roman numeral indexes. The distinctive regulator-style display creates a unique look that draws the eye, while the tourbillon escapement enhances accuracy and adds a mesmerizing visual element. At the heart of the IW5446-01 lies the IWC caliber 98845, a hand-wound movement that underscores the brand's dedication to horological excellence. With its refined elegance and regulator display, this watch is perfect for those who appreciate fine watchmaking and unique designs.
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Key Features

  • Platinum case with silver dial
  • IWC caliber 98845 hand-wound movement
  • Tourbillon escapement for enhanced accuracy
  • Regulator-style display with Roman numeral indexes
  • 30-meter water resistance
  • 44.00 mm diameter and 12.30 mm height
  • Limited edition of only 100 units produced

Specifications

Brand
IWC
Family
Portugieser
Model
Portugieser Regulateur Tourbillon Platinum / Silver
Reference
IW5446-01
Movement
98845
Movement Features
  • Hours, Minutes, Small Seconds
  • Tourbillon Escapement
Case
44mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
30

Current Listings

[WTS] 2023 IWC Portugieser Automatic 40 IW358312 Full Set Excellent

2023 IWC Portugieser Automatic 40 IW358312 Full Set Excellent

IWC - IW358312 · $6,597
A refined, modern interpretation of the classic Portugieser design.

  • Condition: Excellent
  • Year: 2023
  • Contents: Full Set
Posted at
Mar 14, 2026, 3:04 PM
Active
[WTS] IWC Portugieser Automatic 40 - Silver Dial - 40mm - IW358312 - BRAND NEW

IWC Portugieser Automatic 40 - Silver Dial - 40mm - IW358312 - BRAND NEW

IWC - IW358312 · $7,150
This IWC Portugieser Automatic is a brand new watch with a silver dial and 40mm case size. It features a mechanical movement and includes a full set of accessories.

  • Condition: Brand new, unworn, pristine condition
  • Case diameter: 40mm
Posted at
Mar 14, 2026, 11:29 AM
Active
[WTS] IWC 1993 Portugieser Jubilee Ref. 5441 — 18k Rose Gold — Limited Edition

IWC 1993 Portugieser Jubilee Ref. 5441 — 18k Rose Gold — Limited Edition

IWC - 5441 · $15,249
This 1993 IWC Portugieser Jubilee Ref. 5441 is a historically significant limited edition watch produced in 18k rose gold to celebrate International Watch Company's 125th anniversary.

  • Condition: Very good, minor scuffing around the 10 o'clock area on the crystal
  • Case size: ~42mm diameter
  • Dial material: silver
  • Movement type: manual-winding
Posted at
Mar 13, 2026, 7:13 PM
Active
[WTS] IWC Portugieser Automatic 40.4mm - Full Set - Warranty to 2030

IWC Portugieser Automatic 40.4mm - Full Set - Warranty to 2030

IWC - IW358304 · $5,300
The Portugieser Automatic has a classic dial design and ergonomically optimized strap horns for greater comfort, available in a 40.4mm stainless steel case with a silver-plated dial and blue tone appliqués.

  • Case Size: 40.4mm
  • Movement: IWC-manufactured 82200-calibre
Posted at
Mar 13, 2026, 10:35 AM
Active
[WTS] IWC Portugieser - Mint Condition - 2025 Release

IWC Portugieser - Mint Condition - 2025 Release

This IWC Portugieser is a stunning watch with a new dial manufacturing method. It's 42mm in size and has a 7-day automatic movement.

  • Condition: Like-new
  • Case size: 42.4 mm diameter
  • Thickness: 12.9 mm height
  • Movement: IWC Calibre 52011 Automatic
Posted at
Mar 10, 2026, 11:03 AM
Active
[WTS] IWC Portugieser Automatic 40 - Silver Dial - 40mm - IW358312 - BRAND NEW

IWC Portugieser Automatic 40 - Silver Dial - 40mm - IW358312 - BRAND NEW

IWC - IW358312 · $7,175
This IWC Portugieser Automatic 40 is a brand new watch with a silver dial and 40mm case size. It features a mechanical movement and comes in its original packaging.

  • Condition: Brand new, unworn, pristine condition
  • Case Size: 40mm
Posted at
Mar 7, 2026, 1:46 PM
Active
[WTS] 2022 IWC Portugieser Automatic 40.4mm - Warranty through 2030 - Ref. IW358304

2022 IWC Portugieser Automatic 40.4mm - Warranty through 2030 - Ref. IW358304

IWC - IW358304 · $5,300
The Portugieser Automatic features a 40.4mm stainless steel case, silver-plated dial, and blue tone appliqués, with an IWC-manufactured 82200-calibre.

  • Warranty: through 2030
  • Case size: 40.4mm diameter
  • Shipping included: fully insured through FedEx
Posted at
Mar 6, 2026, 11:25 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