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
![[WTS] IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $8,200](https://preview.redd.it/80x0mtozagqg1.jpg?width=640&crop=smart&auto=webp&s=6d3dac0581daef467e76a9ff4668ba986e76aa86)
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
![[WTS] IWC Portofino Automatic Moon Phase 40mm Blue Dial IW459402 Complete](https://preview.redd.it/b08jlyjwotog1.jpg?width=640&crop=smart&auto=webp&s=64eb1f0d8d271f9c4a61efbc8ae853c39c2c6861)
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