IWC Portugieser Portugieser Constant-Force Tourbillon Double Moon Platinum / Behebani
Reference IW5901-09
About this watch
The IWC IW5901-09 Portugieser Constant-Force Tourbillon Double Moon Platinum is a masterpiece of horology, boasting exceptional craftsmanship and design. Its platinum case shines with a premium finish, while the sunburst blue dial creates a striking contrast. The watch features intricate mechanics, including a tourbillon escapement and patented constant-force mechanism, ensuring impeccable accuracy. A double moonphase display adds an astronomical touch, while the ergonomic design makes it comfortable to wear on larger wrists. With only five pieces produced, this limited edition is a coveted collector's dream, combining traditional craftsmanship with modern technology.
Buy Now on Jomashop
This is an affiliate link
Key Features
- Platinum case with premium finish
- Sunburst blue dial with Arabic numerals and Feuille hands
- Double moonphase display indicating moon phases in northern and southern hemispheres
- 96-hour power reserve indicator
- Water resistance of 30 meters
- Ergonomic design for comfortable wear on larger wrists
Specifications
- Brand
- IWC
- Family
- Portugieser
- Model
- Portugieser Constant-Force Tourbillon Double Moon Platinum / Behebani
- Reference
- IW5901-09
- Movement
- 94800
- Movement Features
-
- Minutes, Hours, Small Seconds
- Moonphase
- Constant Force Mechanism, Tourbillon Escapement, Power Reserve Indicator
- Case
- 46mm
- Dial Color
- Blue
- 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
![[WTS] IWC Portugieser Chronograph IW371445 – $4,995 Shipped & Insured](https://external-preview.redd.it/5g7pkeD5VBJsNeWRsN25qFN79KGL35ltM5QA4iRmpw4.png?auto=webp&s=3c4caf46b942065bcbfc9abb2d2f55efd43fa9a4)
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