IWC Portofino Portofino Automatic Moon Phase 37 Red Gold / Diamond / MOP / Bracelet
Reference IW4590-05
About this watch
The IWC Portofino IW4590-05 is a masterpiece of luxury watchmaking, boasting an exquisite mother of pearl dial and gem-set indexes. Its red gold case exudes warmth and sophistication, while the IWC Caliber 35800 movement provides precise timekeeping with a robust reserve of 42 hours. The moon phase complication adds an extra layer of functionality, tracking the lunar cycle with precision. With its elegant design and luxurious materials, this watch is perfect for those who value refinement and understated elegance. Whether you're a seasoned collector or simply looking for a statement piece, the IW4590-05 is sure to impress.
Buy Now on Jomashop
This is an affiliate link
Key Features
- IWC Caliber 35800 movement with 42-hour reserve
- Exquisite mother of pearl dial with gem-set indexes
- Red gold case with sapphire crystal
- Water resistance up to 30 meters
- Moon phase complication and date display
- Luxurious bracelet with red gold links
- 37mm diameter case strikes perfect balance between presence and delicacy
Specifications
- Brand
- IWC
- Family
- Portofino
- Model
- Portofino Automatic Moon Phase 37 Red Gold / Diamond / MOP / Bracelet
- Reference
- IW4590-05
- Movement
- 35800
- Movement Features
-
- Hours, Minutes, Seconds
- Moonphase
- Case
- Red Gold 37mm
- Dial Color
- White
- Crystal
- Sapphire
- Water Resistance
- 30
Current Listings
![[WTS] 2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $6,795](https://preview.redd.it/4u0pmkk90ryg1.jpg?width=640&crop=smart&auto=webp&s=a032f524e6bede09903a5fb9f65880527ecdb8b6)
2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $6,795
2025 IWC Portofino Chronograph Black in new condition, a 39mm chronograph watch.
- Condition: New condition
- Case Size: 39mm diameter
![[WTS] 2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $4,995](https://preview.redd.it/3wzrirk71cyg1.jpg?width=640&crop=smart&auto=webp&s=38946686bbf139699651cc049005d8476ca669eb)
2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $4,995
This is a 2019 IWC Portofino Chronograph Blue, a luxury watch featuring chronograph functionality.
- Condition: Excellent condition with minimal signs of wear
- Case Size: 42mm
![[WTS] 2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $6,795](https://preview.redd.it/r76c0woj0cyg1.jpg?width=640&crop=smart&auto=webp&s=bddbf8e09f6b120f4dd2bd1fa8f1c56865e9b127)
2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $6,795
This is a brand new IWC Portofino Chronograph Black, with a 39mm diameter. The watch comes in excellent condition, fully set and ready to wear.
- Condition: New condition
- Year: 2025
- Case diameter: 39mm
![[WTS] IWC Portofino IW333101 – Solid 18k Gold – Ultra Thin Dress Watch – $3,250 OBO](https://preview.redd.it/481n563wefxg1.jpg?width=640&crop=smart&auto=webp&s=3fd7b387e46b2ab63e10aaf1c9d0fca599c4bf43)
IWC Portofino IW333101 – Solid 18k Gold – Ultra Thin Dress Watch – $3,250 OBO
A IWC Portofino IW333101 is a timeless, ultra-thin dress watch in solid 18k yellow gold with a clean, minimalist dial and date window at 3 o'clock. It features understated luxury and ideal for both formal occasions and everyday wear.
- Condition: Very Good
- Case material: 18k yellow gold
- Movement type: quartz
![[WTS] IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $7,850](https://preview.redd.it/kvn6kfgnmcxg1.jpg?width=640&crop=smart&auto=webp&s=5463359c3c6b842d6b4d456364e849aae94c4fea)
IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $7,850
A limited-edition IWC Portofino Automatic Moon Phase watch with a striking and elegant design, featuring a moon phase display and a bespoke snake-shaped solid gold rotor.
- Condition: great condition
- Case diameter: 37.1 mm
- Thickness: 11.3 mm
- Dial color: burgundy/red
![[WTS] 2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $4,995](https://preview.redd.it/7inx014qecxg1.jpg?width=640&crop=smart&auto=webp&s=11df5c1cb83a9167047c0b9e96cc876222bea097)
2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $4,995
Up for sale is a IWC Portofino Chronograph Blue, a 2019 model featuring a chronograph function.
- Condition: Excellent condition with minimal signs of wear
- Case size: 42mm diameter
- Shipping: Fully insured through Fedex within the USA
![[WTS] 2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $6,795](https://preview.redd.it/hbqd4g5i8cxg1.jpg?width=640&crop=smart&auto=webp&s=0e6c3f365f0585d534e5ed802e74aba5e760bd14)
2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $6,795
A 2025 IWC Portofino Chronograph Black, a high-end chronograph watch with sleek design.
- Condition: New condition
- Case size: 39mm
![[WTS] 2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $4,995](https://preview.redd.it/wnaupypaozwg1.jpg?width=640&crop=smart&auto=webp&s=28d74131b631d0f4a34176313440bd86b09a8c87)
2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $4,995
A blue-dialed Portofino Chronograph from IWC, featuring a 42mm case size.
- Condition: Excellent condition with minimal signs of wear
- Case size: 42mm
- Movement status: Running well
![[WTS] IWC Portofino Ref. IW391030 Day-Date Chronograph on Bracelet](https://preview.redd.it/k30qz4akbzwg1.jpg?width=640&crop=smart&auto=webp&s=301c8fd356c28ca95077a7f781844d3f848730cb)
IWC Portofino Ref. IW391030 Day-Date Chronograph on Bracelet
This IWC Portofino Chronograph Reference IW391030 features a polished stainless steel case and a classic black dial adorned with rhodium-plated appliqués and sleek leaf-style hands.
- Condition: Excellent, some light wear
- Material: Stainless Steel
- Function: Time, Day & Date
- Dial color: Black