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] IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $8,200

IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $8,200

IWC - IW459604 · $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)
Posted at
Mar 21, 2026, 3:36 PM
Active
[WTS] IWC Portofino Automatic Moon Phase 40mm Blue Dial IW459402 Complete

IWC Portofino Automatic Moon Phase 40mm Blue Dial IW459402 Complete

IWC - IW459402 · $4,950
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
Posted at
Mar 20, 2026, 10:23 AM
Active
[WTS] IWC Portofino Automatic Moon Phase 40mm IW459402

IWC Portofino Automatic Moon Phase 40mm IW459402

IWC - IW459402 · $5,750
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
Posted at
Mar 16, 2026, 8:11 PM
Active
[WTS] IWC Portofino Chronograph 39mm Black Dial IW391404

IWC Portofino Chronograph 39mm Black Dial IW391404

IWC - IW391404 · $5,750
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
Posted at
Mar 16, 2026, 2:22 PM
Active
[WTS] IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $8,200

IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $8,200

IWC - IW459604 · $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
Posted at
Mar 13, 2026, 9:14 PM
Active
[WTS] IWC Portofino Automatic Moon Phase 40mm Blue Dial IW459402 Complete

IWC Portofino Automatic Moon Phase 40mm Blue Dial IW459402 Complete

IWC - IW459402 · $4,950
A blue dial IWC Portofino Automatic Moon Phase in 40mm diameter, features an automatic movement.

  • Condition: In very good condition, rated at 9.5/10
  • Caseback scratches: a few microscratches
  • Clasp scratches: a few microscratches
  • Included items: Inner & outer IWC boxes, manual, and warranty card
Posted at
Mar 13, 2026, 10:29 AM
Active
[WTS] IWC Portofino Chronograph 39mm - Warrantly until 2030

IWC Portofino Chronograph 39mm - Warrantly until 2030

IWC - IW391406 · $5,200
The IWC Portofino Chronograph 39 combines a classic design with sportiness in a compact case size of 39 millimeters.

  • Case Size: 39mm diameter
  • Warranty Until: 2030
Posted at
Mar 13, 2026, 10:26 AM
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