IWC Portofino Portofino Chronograph Stainless Steel / Black

Reference IW3910-08

IWC Portofino Chronograph Stainless Steel / Black

About this watch

The IWC Portofino Chronograph IW3910-08 is an exquisite blend of style and utility, designed for those who appreciate the finer things in life. This timepiece effortlessly combines elegance with functionality, featuring a sleek black dial encased in polished stainless steel. The round shape with a 42 mm diameter gives it a bold yet classy presence on the wrist. At its heart lies the IWC caliber 75320, a robust automatic movement based on the Sellita SW500-1, promising reliability and precision. The chronograph function provides accurate timing with a simple push of the button, making it functionality wrapped in elegance! With a water resistance of 30 meters, this watch can handle splashes and brief immersion in water. The IWC Portofino Chronograph IW3910-08 is a masterpiece that exemplifies understated elegance, featuring a clean layout with harmonious balance between chronograph sub-dials and main time markers. The polished stainless steel case adds durability and exudes a luxurious shine that catches the eye.
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MSRP: $6,000
Market Price: $3,594

Key Features

  • 42mm Round Case
  • Polished Stainless Steel Construction
  • Automatic Movement (Sellita SW500-1)
  • Chronograph Function with 30-Minute Counter
  • Water Resistance up to 30m
  • Sapphire Crystal
  • Feuille Hands and Stick/Dot Indexes

Specifications

Brand
IWC
Family
Portofino
Model
Portofino Chronograph Stainless Steel / Black
Reference
IW3910-08
Movement
75320
Movement Features
  • Hours, Minutes, Small Seconds
  • Date, Day
  • Chronograph
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
30

Current Listings

[WTS] 2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $6,795

2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $6,795

IWC - IW391404 · $6,795
2025 IWC Portofino Chronograph Black in new condition, a 39mm chronograph watch.

  • Condition: New condition
  • Case Size: 39mm diameter
Posted at
May 2, 2026, 12:09 PM
Active
View listing on r/WatchExchange
[WTS] 2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $4,995

2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $4,995

IWC - IW391036 · $4,995
This is a 2019 IWC Portofino Chronograph Blue, a luxury watch featuring chronograph functionality.

  • Condition: Excellent condition with minimal signs of wear
  • Case Size: 42mm
Posted at
Apr 30, 2026, 9:48 AM
Active
View listing on r/WatchExchange
[WTS] 2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $6,795

2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $6,795

IWC - IW391404 · $6,795
This is a brand new IWC Portofino Chronograph Black, with a 39mm diameter. The watch comes in excellent condition, fully set and ready to wear.

  • Condition: New condition
  • Year: 2025
  • Case diameter: 39mm
Posted at
Apr 30, 2026, 9:44 AM
Active
View listing on r/WatchExchange
[WTS] IWC Portofino IW333101 – Solid 18k Gold – Ultra Thin Dress Watch – $3,250 OBO

IWC Portofino IW333101 – Solid 18k Gold – Ultra Thin Dress Watch – $3,250 OBO

IWC - IW333101 · $3,250
A IWC Portofino IW333101 is a timeless, ultra-thin dress watch in solid 18k yellow gold with a clean, minimalist dial and date window at 3 o'clock. It features understated luxury and ideal for both formal occasions and everyday wear.

  • Condition: Very Good
  • Case material: 18k yellow gold
  • Movement type: quartz
Posted at
Apr 25, 2026, 8:05 PM
Active
View listing on r/WatchExchange
[WTS] IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $7,850

IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $7,850

IWC - IW459604 · $7,850
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 diameter: 37.1 mm
  • Thickness: 11.3 mm
  • Dial color: burgundy/red
Posted at
Apr 25, 2026, 10:43 AM
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[WTS] 2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $4,995

2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $4,995

IWC - IW391036 · $4,995
Up for sale is a IWC Portofino Chronograph Blue, a 2019 model featuring a chronograph function.

  • Condition: Excellent condition with minimal signs of wear
  • Case size: 42mm diameter
  • Shipping: Fully insured through Fedex within the USA
Posted at
Apr 25, 2026, 9:59 AM
Active
View listing on r/WatchExchange
[WTS] 2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $6,795

2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $6,795

IWC - IW391404 · $6,795
A 2025 IWC Portofino Chronograph Black, a high-end chronograph watch with sleek design.

  • Condition: New condition
  • Case size: 39mm
Posted at
Apr 25, 2026, 9:27 AM
Active
View listing on r/WatchExchange
[WTS] 2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $4,995

2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $4,995

IWC - IW391036 · $4,995
A blue-dialed Portofino Chronograph from IWC, featuring a 42mm case size.

  • Condition: Excellent condition with minimal signs of wear
  • Case size: 42mm
  • Movement status: Running well
Posted at
Apr 23, 2026, 3:10 PM
Active
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[WTS] IWC Portofino Ref. IW391030 Day-Date Chronograph on Bracelet

IWC Portofino Ref. IW391030 Day-Date Chronograph on Bracelet

IWC - IW391030 · $3,195
This IWC Portofino Chronograph Reference IW391030 features a polished stainless steel case and a classic black dial adorned with rhodium-plated appliqués and sleek leaf-style hands.

  • Condition: Excellent, some light wear
  • Material: Stainless Steel
  • Function: Time, Day & Date
  • Dial color: Black
Posted at
Apr 23, 2026, 2:03 PM
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View listing on r/WatchExchange