IWC Portofino Portofino Chronograph Red Gold / Grey

Reference IW3910-21

About this watch

When it comes to luxury watches, the name IWC stands tall, synonymous with precision, craftsmanship, and elegance. Among their stunning lineup, the IW3910-21 Portofino Chronograph Red Gold / Grey has captured the hearts of watch enthusiasts and collectors alike. This timepiece is a perfect blend of classic style and modern technology, making it a standout in the world of horology. The IWC Portofino collection is often celebrated for its sophisticated aesthetics, inspired by the picturesque Italian fishing village of Portofino. The IW3910-21 embodies this ethos, blending luxury with functionality in a way that only IWC can. Its stunning red gold case adds a touch of opulence and enhances durability, while the grey dial features a minimalist approach with stick and dot indexes. The combination of rich grey backdrop and golden accents creates a striking contrast, making this watch a true showstopper. Equipped with a chronograph, the IW3910-21 offers more than just timekeeping. Its robust automatic movement ensures reliable service, while its water resistance rating of 30 meters makes it perfect for daily wear.
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Market Price: $7,693

Key Features

  • Red gold case with opulent touch and enhanced durability
  • Grey dial with minimalist approach and stick/dot indexes
  • Chronograph function with hours, minutes, and small seconds display
  • IWC caliber 75320 automatic movement with reliable service and 44-hour power reserve
  • 30-meter water resistance for daily wear
  • 42.00 mm diameter and 13.50 mm height for comfortable fit on the wrist
  • 25 jewels to reduce friction and enhance durability

Specifications

Brand
IWC
Family
Portofino
Model
Portofino Chronograph Red Gold / Grey
Reference
IW3910-21
Movement
75320
Movement Features
  • Hours, Minutes, Small Seconds
  • Date, Day
  • Chronograph
Case
Red Gold 42mm
Dial Color
Grey
Water Resistance
30

Current Listings

[WTS] 2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $5,995

2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $5,995

IWC - IW391404 · $5,995
This is a brand new IWC Portofino Chronograph Black with a 39mm case size, featuring a chronograph function.

  • Condition: New condition
  • Case size: 39mm diameter
Posted at
May 9, 2026, 11:19 AM
Active
[WTS] IWC Portofino 150 Years Edition IW356518 Classic, but make it electric

IWC Portofino 150 Years Edition IW356518 Classic, but make it electric

IWC - IW356518 · $2,480
This IWC Portofino Automatic 150 Years Edition features a deep blue lacquer dial with a classic design that wears comfortably. It's powered by an automatic movement and is easy to dress up or wear daily.

  • Condition: Pre-owned, running strong and keeping good time
  • Case size: 40 mm
  • Water resistance depth rating: 30 m
  • Movement caliber: 35111
Posted at
May 8, 2026, 9:03 PM
Active
[WTS] 2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $5,995

2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $5,995

IWC - IW391404 · $5,995
Up for sale is a new IWC Portofino Chronograph Black, a 39mm watch with chronograph functionality.

  • Condition: New condition
  • Year: 2025
  • Case size: 39mm
  • Contents: Watch,Box,Travel Case,International Warranty Card,Instructions Manual
Posted at
May 7, 2026, 11:48 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
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
[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
[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
[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
IWC Portofino Automatic 40MM IW356303 Silver Dial

IWC Portofino Automatic 40MM IW356303 Silver Dial

IWC - IW356303 · $2,080
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
Posted at
Apr 8, 2025, 8:48 AM
Active
2024 IWC Portofino Hand-Wound Moon Phase Silver Steel FULL SET MINT IW516401

2024 IWC Portofino Hand-Wound Moon Phase Silver Steel FULL SET MINT IW516401

IWC - IW516401 · $8,875
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
Posted at
Apr 2, 2025, 5:33 PM
Active