IWC Portofino Portofino Chronograph Stainless Steel / Black

Reference IW3910-02

IWC Portofino Chronograph Stainless Steel / Black

About this watch

The IWC IW3910-02 Portofino Chronograph is a masterpiece of luxury watchmaking, seamlessly blending style with functionality. Its sleek stainless steel case and striking black dial make it a statement piece that commands attention without being ostentatious. The polished finish reflects light beautifully, enhancing its luxurious feel. Equipped with sapphire crystal, the watch is not just beautiful but also durable, with scratch resistance ensuring that your timepiece remains pristine even after years of wear. Under the hood, the IW3910-02 boasts the IWC caliber 79230, an automatic chronograph movement designed for precision and reliability. With a power reserve of 44 hours and 29 jewels, it's perfect for everyday wear and special occasions. The watch features a chronograph function with rattrapante (or split-seconds) capability, allowing you to time multiple events simultaneously. Its comfortable profile on the wrist makes it suitable for any occasion, from work to leisure activities. Whether you're in a corporate environment or looking for a stylish accessory, this watch offers something for everyone.

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Market Price: $3,833

Key Features

42mm Stainless Steel Case
Black Dial with Stick and Dot Indexes
IWC Caliber 79230 Automatic Chronograph Movement
Rattrapante (Split-Seconds) Functionality
Sapphire Crystal for Scratch Resistance
Water Resistance up to 30m
42hr Power Reserve

Specifications

Brand

IWC

Family

Portofino

Model

Portofino Chronograph Stainless Steel / Black

Reference

IW3910-02

Movement

79230

Movement Features

Hours, Minutes, Small Seconds
Date, Day
Chronograph, Rattrapante

Case

Stainless Steel 42mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

Current Listings

IWC Portofino Chronograph Black Dial Automatic IW391002

IWC - IW391002 · $2,990

The IWC Portofino Chronograph Black Dial Automatic IW391002 is a men's watch featuring a stainless steel case and mechanical automatic movement. It has a chronograph function and date display.

Condition: 95%
Size: 42mm
Function: Chronograph ; Date
Case Material: Stainless Steel

Posted at

Feb 11, 2025, 10:19 AM

Active

View listing on RolexForums

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

View listing on r/WatchExchange

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

View listing on r/WatchExchange

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

View listing on r/WatchExchange

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

View listing on r/WatchExchange

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

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View listing on r/WatchExchange