IWC Portofino Portofino Automatic Moon Phase 37 Red Gold / Black MOP

Reference IW4590-03

About this watch

The IWC IW4590-03 Portofino Automatic Moon Phase 37 stands out for its blend of classic sophistication and modern technology, featuring a stunning black mother-of-pearl dial and gem-set indexes that create a dynamic visual effect. The watch is crafted from red gold, exuding luxury and sophistication, and comes with a luxurious leather strap that complements the case beautifully. At the heart of the watch lies the IWC caliber 35800, a self-winding mechanical movement that exemplifies IWC's dedication to precision. With its reliable movement, elegant design, and luxurious materials, this watch represents the pinnacle of horological craftsmanship, making it perfect for those who value heritage and fine watchmaking.
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Key Features

  • Red Gold Case
  • Black Mother-of-Pearl Dial
  • IWC Caliber 35800 Movement
  • Self-Winding Mechanical Movement
  • 42-Hour Power Reserve
  • 30-Meter Water Resistance
  • Luxurious Leather Strap

Specifications

Brand
IWC
Family
Portofino
Model
Portofino Automatic Moon Phase 37 Red Gold / Black MOP
Reference
IW4590-03
Movement
35800
Movement Features
  • Hours, Minutes, Seconds
  • Moonphase
Case
Red Gold 37mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
30

Current Listings

IWC Portofino Black Dial Bracelet 40mm IW356506

IWC Portofino Black Dial Bracelet 40mm IW356506

IWC - IW356506 · $2,860.003
This IWC Portofino Black Dial 40mm IW356506 is a men's watch with mechanical automatic movement, stainless steel case and date function.

  • Condition: 90%
  • Case Size: 40mm
  • Movement Type: Mechanical Automatic
Posted at
Apr 29, 2025, 11:43 AM
Active
IWC Portofino Automatic White Dial 38mm IW353303

IWC Portofino Automatic White Dial 38mm IW353303

IWC - IW353312 · $2,080.002
  • Condition: 90%
  • Model: Portofino Automatic White Dial 39MM IW353303
  • Size: 38mm
  • Case material: Stainless Steel
Posted at
Apr 28, 2025, 9:34 AM
Active
Pre-Owned IWC Portofino Automatic Edition '150 Years' IW356518

Pre-Owned IWC Portofino Automatic Edition '150 Years' IW356518

IWC - IW356518 · $3,499.003
A pre-owned IWC Portofino Automatic Edition '150 Years' watch with a blue dial, automatic movement, stainless steel case, and black leather strap. Limited to 2,000 pieces.

  • Condition: Pre-owned, in 81% condition due to marks on the lugs, bezel, and case; strap is in 87% condition
  • Case size: 40mm diameter
  • Water resistance: 30 meters depth rating
  • Material: Stainless Steel
Posted at
Apr 25, 2025, 11:30 PM
Active
Pre-Owned IWC Portofino Automatic Edition '150 Years' IW356518

Pre-Owned IWC Portofino Automatic Edition '150 Years' IW356518

IWC - IW356518 · $3,499.003
Pre-Owned IWC Portofino Automatic Edition '150 Years' IW356518. Limited to 2,000 pieces, this pre-owned watch is in 81% condition due to marks on the lugs, bezel, and throughout the case.

  • Condition: 81% - with marks on the lugs, bezel, and case; strap in 87% condition with slight discoloration, creasing, and marks on the clasp
  • Case Size: 40mm diameter
  • Material: Stainless Steel
  • Dial Color: Blue
Posted at
Apr 25, 2025, 1:24 AM
Active
Pre-Owned IWC Portofino Automatic Edition '150 Years' IW356518

Pre-Owned IWC Portofino Automatic Edition '150 Years' IW356518

IWC - IW356518 · $3,499.003
Pre-Owned IWC Portofino Automatic Edition '150 Years' with a blue dial, stainless steel case, and black leather strap.

  • Condition: 81% condition due to marks on the lugs, bezel, and throughout the case. Strap is in 87% condition.
  • Water resistance: 30m
  • Case size: 40mm diameter
  • Material: Stainless Steel
Posted at
Apr 24, 2025, 12:43 AM
Active
IWC Portofino Automatic 40MM IW356303 Silver Dial

IWC Portofino Automatic 40MM IW356303 Silver Dial

IWC - IW356303 · $2,080
IWC Portofino Automatic 40MM IW356303 Silver Dial is a men's watch with a mechanical automatic movement.

  • Condition: 90%
  • Size: 40mm diameter
  • Case material: Stainless Steel
Posted at
Apr 8, 2025, 8:48 AM
Active
2024 IWC Portofino Hand-Wound Moon Phase Silver Steel FULL SET MINT IW516401

2024 IWC Portofino Hand-Wound Moon Phase Silver Steel FULL SET MINT IW516401

IWC - IW516401 · $8,875
This IWC Portofino Hand-Wound Moon Phase features a silver-plated dial with a moon phase display, high-polished stainless steel domed bezel and case, and an exhibition caseback offering a clear view of the movement. It has an 8-day power reserve when fully wound and includes various functions such as hours, minutes, date, small seconds subdial, moon phase display, and power reserve indicator.

  • Condition: Mint
  • Case Size: 42mm
  • Material: stainless steel
  • Movement Type: hand-wound
Posted at
Apr 2, 2025, 5:33 PM
Active
IWC Portofino 18K Rose Gold Grey Dial Eight Days 45mm IW510104

IWC Portofino 18K Rose Gold Grey Dial Eight Days 45mm IW510104

IWC - IW510104 · $8,190
The IWC Portofino is a men's watch featuring a grey dial and 18K rose gold case, with a size of 45mm. It has a mechanical manual movement and functions include date and power reserve.

  • Condition: 90%
  • Case material: 18K Rose Gold
  • Movement type: Mechanical Manual
  • Size: 45mm
Posted at
Mar 6, 2025, 9:28 AM
Active