IWC Portofino Portofino Automatic Moon Phase 37 Stainless Steel / Silver
Reference IW4596-01
About this watch
The IWC Portofino Automatic Moon Phase 37 (model IW4596-01) is a stunning timepiece that harmonizes sophistication and functionality. Its silver dial exudes a soft glow, reminiscent of moonlight on calm waters, while its round shape and clean lines provide a classic look. The stainless steel case adds durability and aesthetic appeal, with sapphire glass protecting the scratch-resistant dial. At the heart of the IW4596-01 lies the IWC Caliber 32800, an automatic self-winding movement featuring 21 jewels and a frequency of 28,800 vibrations per hour. This impressive power reserve of 120 hours ensures that the watch keeps ticking even when not worn. The moon phase display adds an element of intrigue, accurately tracking the lunar cycle for those keen on celestial events. With a water resistance of up to 50 meters and a comfortable 37.10 mm case diameter, this watch is both practical and versatile.
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Key Features
- IWC Caliber 32800 Automatic Movement
- Silver Dial with Moon Phase Display
- Stainless Steel Case with Sapphire Glass
- Water Resistance up to 50 Meters
- 120 Hour Power Reserve
- 37.10 mm Case Diameter
- 18 mm Lug Width
Specifications
- Brand
- IWC
- Family
- Portofino
- Model
- Portofino Automatic Moon Phase 37 Stainless Steel / Silver
- Reference
- IW4596-01
- Movement
- 32800
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Moonphase
- Case
- Stainless Steel 37.1mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 50
Current Listings
![[WTS] 2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $5,995](https://preview.redd.it/26knmk1fw33h1.jpg?width=640&crop=smart&auto=webp&s=1e3e79341edae6024a3e5c3e0c8ed68e4f66dfaf)
2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $5,995
This 2025 IWC Portofino Chronograph Black is a brand new timepiece featuring a chronograph function. The watch comes in a 39mm case and includes a full set of accessories, including the box, travel case, international warranty card, and instructions manual.
- Condition: New condition
- Case size: 39mm diameter
![[WTS] IWC Portofino Chronograph $3200 SHIPPED](https://preview.redd.it/mkibqkdi0x2h1.jpg?width=640&crop=smart&auto=webp&s=11970ed3073065e97b7017a4c0260080570a6702)
IWC Portofino Chronograph $3200 SHIPPED
A pre-owned IWC Portofino Chronograph in working condition at the time of listing, but not guaranteed for future performance.
- Condition: Pre-owned, working condition
- Case Size Without Crown: 42 mm
- Case Size With Crown: 45 mm
- Straps Included: 1
![[WTS] IWC Portofino 42MM Black Dial, Stainless Steel Full Set](https://preview.redd.it/kmanydcr4s2h1.jpg?width=640&crop=smart&auto=webp&s=8a1098bf361625517915da89932d3731ff2ee942)
IWC Portofino 42MM Black Dial, Stainless Steel Full Set
This 2018 IWC Portofino Chronograph features a black dial, stainless steel case and Milanaise bracelet. It includes day and date display, small hacking seconds, chronograph function and is a full set with original box, warranty card and manual.
- Condition: beautiful condition with no visible scratches
- Bracelet Type: Milanaise
- Case Size: 42MM
![[WTS] 2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $5,995](https://preview.redd.it/shse7glxil2h1.jpg?width=640&crop=smart&auto=webp&s=8d377a7a4f2c2c7bcdf70f1ce6d935b8aedbd557)
2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $5,995
A 2025 IWC Portofino Chronograph Black IW391404 is available for sale. It features a chronograph function and comes with a full set including the watch, box, travel case, international warranty card, and instructions manual.
- Condition: New condition
- Size: 39mm diameter
- Year: 2025
- Case Contents: Watch, Box, Travel Case, International Warranty Card, Instructions Manual
![[WTS] IWC Portofino Chronograph — 42mm — Ref. IW391029 — $2,699 Shipped 🔥](https://preview.redd.it/gvh2u64p9e2h1.jpg?width=640&crop=smart&auto=webp&s=0edbfc214f28f84f4ff0852f6d46617e60aeab8e)
IWC Portofino Chronograph — 42mm — Ref. IW391029 — $2,699 Shipped 🔥
This IWC Portofino Chronograph features a clean, timeless case design paired with a classic chronograph layout. It's a refined everyday luxury chronograph that wears well at 42mm.
- Condition: Fair overall
- Case Diameter: 42mm
- Condition Notes: Crystal has minor AR coating wear, Bezel, case, caseback, and clasp show hairlines from normal wear
![[WTS] IWC Portofino Automatic Moonphase 40mm IW459402 – Box/Watch/Papers – $5000 - Warranty until 11/2029!](https://preview.redd.it/rrngk5yj5d2h1.jpg?width=640&crop=smart&auto=webp&s=324be9208f4d00df92f6b0ad4ae397787dc61be0)
IWC Portofino Automatic Moonphase 40mm IW459402 – Box/Watch/Papers – $5000 - Warranty until 11/2029!
This IWC Portofino Automatic Moonphase features a 40mm case. The watch comes with its original box, papers, and is still under warranty until 11/2029.
- Box: yes, included
- Papers: yes, included
- Warranty: until November 2029
![[WTS] IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $7,850](https://preview.redd.it/zsy32d9m6k1h1.jpg?width=640&crop=smart&auto=webp&s=d5bbbdffad0e307da19b114b591daa26e009b26c)
IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $7,850
The IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake is a striking and elegant limited-edition piece that blends classic dress watch refinement with artistic flair. The 37mm polished stainless steel case paired with the rich burgundy/red dial gives this watch an eye-catching yet tasteful presence on the wrist.
- Condition: great condition
- Case size: 37.1 mm
- Thickness: 11.3 mm
- Dial color: burgundy/red
![[WTS] IWC Portofino Chronograph $3200 SHIPPED](https://preview.redd.it/w0bak8p3yi1h1.jpg?width=640&crop=smart&auto=webp&s=938a0110af7e2f339dec166329b50b2499f31d78)
IWC Portofino Chronograph $3200 SHIPPED
This IWC Portofino Chronograph features a 42 mm case without crown and 45 mm with crown. It includes the original strap and buckle.
- Condition: Pre-owned, working condition, sold as-is
- Case size: 42mm diameter
- Band type: original
![[WTS] 2021 IWC Portofino Chronograph White IW391027 42mm Full Set - $4,395](https://preview.redd.it/v8trb6g7u41h1.jpg?width=640&crop=smart&auto=webp&s=b066caef86802e393fe61b87ec2544f4f2f1abba)
2021 IWC Portofino Chronograph White IW391027 42mm Full Set - $4,395
A 2021 IWC Portofino Chronograph White, a 42mm chronograph watch featuring a white dial.
- Condition: Excellent condition with minimal signs of wear
- Year: 2021
- Size: 42mm diameter
- Contents: Box, Travel Case, International Warranty Card, Instructions Manual