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

IWC Portugieser Chronograph - 18k Rose Gold
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
IWC Portugieser Automatic 7 Day Power Reserve Reference 500705 Blue Hand & Index
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

IWC Portugieser Chronograph - 41mm - Beige Dial - IW371624 ( unworn / 2025 )
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
IWC SCHAFFHAUSEN PORTUGIESER CHRONOGRAPH YEAR OF THE DRAGON 41mm IW371629
This IWC Portugieser Chronograph features a red dial and is housed in a 41mm stainless steel case, paired with a black calfskin strap.
- Condition: EXCELLENT
- Material: stainless steel
- Band material: calfskin
- Case size: 41mm

IWC Portugieser Automatic 42.3MM Black Stainless Steel FULL SET MINT IW500703
The IWC Portugieser Automatic is a tribute to the brand's maritime heritage, featuring a stainless steel case and pitch black dial. It has a 7-day power reserve and includes hours, minutes, elapsed seconds subdial, and power reserve indicator.
- Condition: Mint condition with little to no signs of wear
- Case size: 42.3MM
- Water resistance: unknown
- Movement: Automatic

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

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

IWC Portugieser Chronograph - 41mm - Blue Dial - IW371606 ( new / 2024 )
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