IWC Portofino Portofino Chronograph Stainless Steel / Silver

Reference IW3910-27

About this watch

Immerse yourself in the epitome of luxury with the IWC IW3910-27 Portofino Chronograph Stainless Steel / Silver. This stunning timepiece embodies elegance and sophistication, boasting a stunning silver dial that radiates refinement. The round shape and 42.00 mm diameter make it comfortable to wear on any occasion, while the stainless steel casing adds a touch of modernity. With its minimalist design, this watch seamlessly transitions from formal to casual events. The IWC Caliber 75320 automatic movement boasts an impressive 44-hour power reserve and operates at 28,800 vibrations per hour, ensuring precise timekeeping. True to its name, the Portofino Chronograph offers a chronograph function that's both practical and easy to use. Its versatility makes it an ideal choice for all-day wear, with a water resistance of 30 meters allowing you to wear it during light activities. This watch is a chameleon in the world of timepieces, elevating any look with its classic design and stunning features.
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MSRP: $6,700
Market Price: $4,019

Key Features

  • IWC Caliber 75320 automatic movement
  • Stainless steel casing for durability
  • Sapphire glass for scratch resistance
  • Chronograph function for precise timing
  • 44-hour power reserve for reliability
  • 30-meter water resistance for splash-resistant wear
  • Classic design for timeless appeal

Specifications

Brand
IWC
Family
Portofino
Model
Portofino Chronograph Stainless Steel / Silver
Reference
IW3910-27
Movement
75320
Movement Features
  • Hours, Minutes, Small Seconds
  • Date, Day
  • Chronograph
Case
Stainless Steel 42mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
30

Current Listings

[WTS] 2021 IWC Portofino Chronograph White IW391027 42mm Full Set - $4,395

2021 IWC Portofino Chronograph White IW391027 42mm Full Set - $4,395

IWC - IW391027 · $4,395
This is a 2021 IWC Portofino Chronograph White, featuring a chronograph function and a 42mm diameter case.

  • Condition: Excellent condition with minimal signs of wear
  • Size: 42mm diameter
  • Year: 2021
Posted at
Apr 19, 2026, 7:11 PM
Active
[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
[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
Active
[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
[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
[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
[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
Active
[WTS] IWC Portofino Automatic IW356504 18K Rose Gold 40MM Silver Dial Automatic

IWC Portofino Automatic IW356504 18K Rose Gold 40MM Silver Dial Automatic

IWC - IW356504 · $6,899
The IWC Portofino Automatic IW356504 is a 40mm watch crafted in elegant 18K rose gold, featuring an original brown leather strap and matching rose gold buckle. The warm rose gold case pairs beautifully with the original factory dial and hands.

  • Condition: Excellent/Near Mint
  • Case size: 40mm diameter
  • Movement: Automatic, IWC Movement
  • Dial: Original Factory Dial and Hands
Posted at
Apr 23, 2026, 12:08 PM
Active