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

FOST: IWC Portofino Hand-Wound Moon Phase Silver Steel FULL SET MINT IW516401
The IWC Portofino Hand-Wound Moon Phase features a silver-plated dial with a moon phase display, high-polished stainless steel domed bezel, and an exhibition caseback offering a clear view of the movement.
- Condition: Mint condition
- Case Material: Stainless Steel
- Diameter: 40mm