IWC Portofino Portofino Automatic Moon Phase 37 Stainless Steel / Diamond / Silver
Reference IW4590-08
About this watch
The IWC Portofino IW4590-08 is a masterful blend of elegance, sophistication, and functionality. Its 37mm stainless steel case and silver dial are adorned with gem-set indexes, exuding understated luxury. The sapphire crystal glass provides scratch resistance and clarity, while the moon phase indicator adds an element of romance to the design. At its core lies the IWC caliber 35800 movement, a self-winding masterpiece boasting 25 jewels and a 42-hour power reserve. This timepiece is perfect for those who appreciate classic charm and modern reliability, making it an investment that promises to deliver on style and performance.
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Key Features
- 37mm stainless steel case
- Sapphire crystal glass with scratch resistance and clarity
- Moon phase indicator at 12 o'clock position
- IWC caliber 35800 self-winding movement with 25 jewels
- 42-hour power reserve
- Water resistance of 30 meters
- Comfortable wear with lightweight and well-balanced design
Specifications
- Brand
- IWC
- Family
- Portofino
- Model
- Portofino Automatic Moon Phase 37 Stainless Steel / Diamond / Silver
- Reference
- IW4590-08
- Movement
- 35800
- Movement Features
-
- Hours, Minutes, Seconds
- Moonphase
- Case
- Stainless Steel 37mm
- Dial Color
- Silver
- 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