IWC Portofino Portofino Automatic 37 Stainless Steel / Silver
Reference IW4581-01
About this watch
The IWC Portofino Automatic 37 is a stunning timepiece that perfectly balances sophistication with functionality. With its sleek stainless steel body and lustrous silver dial, this watch is designed for those who appreciate the finer things in life. The beautiful round case, measuring 37 mm in diameter, gives it an elegant yet understated presence. The closed back adds to its sleekness, making it a joy to wear without being overly flashy. The sapphire glass provides a clear view of the stunning silver dial, adorned with gem-set indexes that catch the light beautifully. At the heart of the Portofino Automatic 37 is the IWC caliber 35111 movement, an impressive feat of engineering with a power reserve of 42 hours and a frequency of 28,800 vibrations per hour. This watch offers hours, minutes, seconds, and a date function, making it not just a pretty face but also a practical companion for everyday use. The stainless steel construction adds to its aesthetic appeal while ensuring durability. The comfort of a watch is just as important as its looks, and the Portofino does not disappoint with its high-quality leather strap that feels soft against the skin. The adjustable strap ensures a perfect fit, making it comfortable for long hours of wear.
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Key Features
- IWC caliber 35111 automatic movement
- 37mm stainless steel case
- Sapphire glass crystal
- 30m water resistance
- Feuille hands and gem-set indexes
- 42-hour power reserve
Specifications
- Brand
- IWC
- Family
- Portofino
- Model
- Portofino Automatic 37 Stainless Steel / Silver
- Reference
- IW4581-01
- Movement
- 35111
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- 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
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
IWC Portofino 18K Rose Gold Grey Dial Eight Days 45mm IW510104
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
IWC Portofino Hand-Wound 8 Days Hand-Wound Black Steel 45mm IW510102 Strap
The IWC Portofino Hand-Wound 8 Days is a pre-owned watch with a black steel case, featuring an IWC hand-wind movement and 45mm diameter. It comes with an IWC box, papers, and a brown leather strap.
- Condition: Excellent
- Case material: Stainless Steel
- Crystal type: Sapphire
- Movement type: Hand Wind