IWC Portofino Portofino Automatic 37 Net-A-Porter
Reference IW4581-20
About this watch
The IWC IW4581-20 Portofino Automatic 37 Net-A-Porter exudes luxury and sophistication, boasting a stunning silver dial adorned with gem-set indexes. The round stainless steel case is polished to perfection, catching the light beautifully. Equipped with Feuille hands, this watch offers both elegance and clarity. Its 37mm case strikes a perfect balance between boldness and understated style, making it suitable for all-day wear. The IWC caliber 35111 automatic movement provides reliability and precision, with a power reserve of 42 hours. This watch doesn't just look good; it performs well too, offering hours, minutes, seconds, and a date function. The analog display is classic and easy to read, ensuring you won't miss a beat. Crafted from stainless steel, the IW4581-20 is both stylish and robust, with sapphire glass that's highly scratch-resistant. Its water resistance of 30 meters makes it suitable for minor splashes and rain but best avoided for swimming or diving.
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Key Features
- 37mm stainless steel case
- IWC caliber 35111 automatic movement
- Gem-set indexes on silver dial
- Feuille hands for elegance and clarity
- Sapphire glass with high scratch resistance
- Water resistance of 30 meters
- 42-hour power reserve
Specifications
- Brand
- IWC
- Family
- Portofino
- Model
- Portofino Automatic 37 Net-A-Porter
- Reference
- IW4581-20
- Movement
- 35111
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Case
- Stainless Steel 37mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 30
Current Listings
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IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $8,200
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 size: 37.1mm diameter
- Thickness: 11.3mm
- Water resistance: ~50m (5 bar)
![[WTS] IWC Portofino Automatic Moon Phase 40mm Blue Dial IW459402 Complete](https://preview.redd.it/tps1ijf3m7qg1.jpg?width=640&crop=smart&auto=webp&s=f7705ed146eee2bc0c0cc25fed330b6ab77ea620)
IWC Portofino Automatic Moon Phase 40mm Blue Dial IW459402 Complete
This IWC Portofino Automatic Moon Phase features a blue dial in a 40mm case. It includes inner & outer IWC boxes, manual, and warranty card.
- Condition: Very good, with a few microscratches on the caseback and clasp
- Box set included: Yes
- Warranty expiration year: 2028
![[WTS] IWC Portofino Automatic Moon Phase 40mm IW459402](https://external-preview.redd.it/z6IRij-KJNcfSP-dwPiSxGyZ-adVXW6tlNj9TjZzNYA.jpeg?auto=webp&s=b92a9b8ec47f0af3f7593c192b2442df0463f4c4)
IWC Portofino Automatic Moon Phase 40mm IW459402
2020 IWC Portofino Automatic Moon Phase in 40mm stainless steel with blue dial and moon phase display.
- Condition: Very Good to Excellent pre-owned
- Movement: automatic movement
- Material: stainless steel
- Case size: 40mm
![[WTS] IWC Portofino Chronograph 39mm Black Dial IW391404](https://external-preview.redd.it/nPd1XolSueUQxMiM6umpk20nieqF3xhrdZaNYln31mE.jpeg?auto=webp&s=f5453238a75bb71bec339b92915d73dc1da80071)
IWC Portofino Chronograph 39mm Black Dial IW391404
2021 IWC Portofino Chronograph in 39mm stainless steel features a stunning, classic combination of black dial with gold hands and markers. A slim automatic chronograph, beautifully proportioned dress watch.
- Condition: Very Good to Excellent pre-owned
- Year: 2021
- Material: stainless steel
- Size: 39mm diameter
![[WTS] IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $8,200](https://preview.redd.it/wxkkeb51wwog1.jpg?width=640&crop=smart&auto=webp&s=cf3babd0b3218fdfde98a53c40a831d5a9ff08a1)
IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $8,200
A limited edition IWC Portofino Automatic Moon Phase watch with a 37mm stainless steel case, burgundy/red dial, and moon phase display. It features an 18k 5N gold snake-shaped rotor and comes with two quick-change calfskin straps.
- Condition: great condition
- Case size: 37.1 mm
- Thickness: 11.3 mm
- Dial color: burgundy/red
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IWC Portofino Automatic Moon Phase 40mm Blue Dial IW459402 Complete
A blue dial IWC Portofino Automatic Moon Phase in 40mm diameter, features an automatic movement.
- Condition: In very good condition, rated at 9.5/10
- Caseback scratches: a few microscratches
- Clasp scratches: a few microscratches
- Included items: Inner & outer IWC boxes, manual, and warranty card
![[WTS] IWC Portofino Chronograph 39mm - Warrantly until 2030](https://preview.redd.it/cr8pav61otog1.jpg?width=640&crop=smart&auto=webp&s=743b6249176480600be6a2478b7815204956dbbc)
IWC Portofino Chronograph 39mm - Warrantly until 2030
The IWC Portofino Chronograph 39 combines a classic design with sportiness in a compact case size of 39 millimeters.
- Case Size: 39mm diameter
- Warranty Until: 2030
IWC Portofino Automatic 40MM IW356303 Silver Dial
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
2024 IWC Portofino Hand-Wound Moon Phase Silver Steel FULL SET MINT IW516401
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