IWC Portugieser Portugieser Constant-Force Tourbillon Double Moon Red Gold / Black
Reference IW5901-07
About this watch
The IWC Portugieser Constant-Force Tourbillon Double Moon Red Gold / Black (model IW5901-07) stands out as a true marvel in the world of luxury watches. Crafted from red gold, this watch radiates warmth and elegance with its black sunburst dial. The IWC manufactured 94800 caliber showcases the pinnacle of horological engineering with a constant-force mechanism, 96-hour power reserve, and tourbillon. A double moonphase display and day/night indicator add to its celestial appeal. With only one unit produced, this limited edition watch is a collector's dream. Its combination of exquisite craftsmanship, limited availability, and IWC's reputation makes it a potentially wise investment.
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Key Features
- Red gold case with black sunburst dial
- IWC manufactured 94800 caliber movement
- Constant-force mechanism for stable amplitude
- 96-hour power reserve indicator
- Tourbillon with 1-second intervals
- Double moonphase display and day/night indicator
- Water resistance up to 30 meters
Specifications
- Brand
- IWC
- Family
- Portugieser
- Model
- Portugieser Constant-Force Tourbillon Double Moon Red Gold / Black
- Reference
- IW5901-07
- Movement
- 94800
- Movement Features
-
- Minutes, Hours, Small Seconds
- Moonphase
- Constant Force Mechanism, Tourbillon Escapement, Power Reserve Indicator
- Case
- Red Gold 46mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 30
Current Listings

IWC Portugieser Chronograph - 41mm - Gold Numerals - IW371604 ( new / 2024 )
This IWC Portugieser Chronograph Automatic features a 41mm stainless steel case, in-house Calibre 69355 movement, and gold numerals.
- Condition: Unworn condition
- Case size: 41mm diameter
- Movement: In-House Calibre 69355

IWC Portugieser Chronograph - 41mm - Blue Numerals - IW371605 ( new / 2025 )
This IWC Portugieser Chronograph features a 41mm stainless steel case, an in-house Calibre 69355 movement, and a silver dial with blue numerals.
- Condition: unworn
- Case Size: 41mm
- Movement: In-House Calibre 69355
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IWC Portugieser Chronograph IW371445 – $4,995 Shipped & Insured
An absolute classic from IWC, the IW371445 Portugieser Chronograph balances clean design with mechanical muscle. The silver-white dial paired with gold hands and applied numerals gives it timeless charm and legibility. The 40.9mm polished case sits beautifully on the wrist.
- Condition: 9/10 - Excellent condition
- Case size: 40.9mm diameter
- Material: stainless steel
- Dial: silver-white with gold numerals

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

2023 IWC Portugieser 42 / IW500715
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

Iwc iw500701 portugieser 7 day power reserve rose gold watch
This IWC PORTUGIESER model IW500701 features a 7 day power reserve and comes in 18K Rose gold on a leather band with deployment buckle.
- Band material: leather
- Case material: 18K Rose gold
IWC Portugieser Portugieser F.A. Jones in Rose Gold 5442-01 Limited Edition
This is a limited edition IWC Portugieser F.A. Jones watch in rose gold, featuring mechanical manual movement and measuring 43mm in size.
- Condition: 90%
- Size: 43mm diameter
- Case material: 18K Rose Gold
- Limited edition: 1000 pieces

Reduced! IWC Portugieser Chronograph - 18k Rose Gold
The IWC Portugieser Chronograph is an icon of watchmaking. This timeless design, with its perfect proportions and understated elegance, has captivated collectors worldwide.
- Condition: Excellent
- Case material: 18k solid rose gold
- Bracelet type: Original IWC Leather Strap