IWC Portofino Portofino Chronograph Stainless Steel / Black / Milanese

Reference IW3910-30

IWC Portofino Chronograph Stainless Steel / Black / Milanese

About this watch

The IWC Portofino Chronograph IW3910-30 is a stunning timepiece that combines style with functionality, embodying elegance and sophistication. Its sleek design perfectly encapsulates the essence of the Portofino family, with a round case made from stainless steel adding durability and luxury. The black dial features stick and dot indexes for ease of reading, while elegant feuille hands sweep across the surface. A small seconds sub-dial adds complexity, hinting at precision within. Chronograph functions are intuitively placed, making it easy to track time. With a robust automatic movement based on the Sellita SW500-1, this watch operates at 28,800 vibrations per hour, ensuring accurate timekeeping and a power reserve of 44 hours. The Milanese strap is stylish and breathable, providing comfort and adjustability. Sapphire glass protects the dial from scratches, while stainless steel construction ensures durability and chic appearance.

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MSRP: $7,600

Market Price: $3,760

Key Features

IWC caliber 75320 automatic movement
42mm stainless steel case with sapphire glass
Black dial with stick and dot indexes and elegant feuille hands
Chronograph function for measuring elapsed time
Milanese strap for comfort and adjustability
Sapphire glass for scratch resistance
Stainless steel construction for durability

Specifications

Brand

IWC

Family

Portofino

Model

Portofino Chronograph Stainless Steel / Black / Milanese

Reference

IW3910-30

Movement

75320

Movement Features

Hours, Minutes, Small Seconds
Date, Day
Chronograph

Case

Stainless Steel 42mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

Current Listings

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

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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

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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

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IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $7,900

IWC - IW459604 · $7,900

A limited-edition IWC Portofino Automatic Moon Phase watch with a 37mm polished stainless steel case and burgundy/red dial. The watch features a moon phase display, a snake-shaped solid 18k 5N gold rotor, and an IWC-manufactured Calibre 32800 automatic movement.

Condition: great
Case size: 37.1mm
Thickness: 11.3mm
Dial color: burgundy/red

Posted at

Apr 18, 2026, 2:49 PM

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2019 IWC Portofino Automatic ref: IW356519 - Full set

IWC - IW356519 · $3,598

The IWC Portofino Automatic Edition '150 Years' is a limited jubilee collection edition watch with a 40mm case size, crisp white dial, and date display at the 3:00 position. It features a 42-hour power reserve and 30 meters of water resistance.

Condition: Very good pre-owned condition with very faint signs of wear
Case size: 40mm diameter
Water resistance: 30 meters

Posted at

Apr 17, 2026, 4:46 PM

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IWC Portofino Moonphase 41mm Auto with Box/Papers - IW459402 - Active Warranty until 11/2029

IWC - IW459402 · $12,500

IWC Portofino Moonphase 41mm Auto with box and papers, active warranty until 11/2029.

Case size: 41mm
Water resistance: 30m

Posted at

Apr 17, 2026, 3:32 PM

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IWC Portofino Automatic Moon Phase 40mm Blue Dial IW459402 Complete

IWC - IW459402 · $4,950

This IWC Portofino Automatic Moon Phase features a 40mm blue dial. The watch is in very good condition, rated at 9.5/10.

Condition: Very good condition, a few microscratches on the caseback and clasp.
Box Count: 2
Movement Type: Automatic

Posted at

Apr 17, 2026, 10:11 AM

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

IWC Schaffhausen - IW356504 · $6,999

This IWC Portofino Automatic IW356504 features a 40mm rose gold case and an original brown leather strap. The watch presents in near mint condition with minimal signs of wear.

Condition: Excellent / Near Mint
Case material: Solid 18K Rose Gold
Case size: 40mm
Movement type: Automatic IWC Movement

Posted at

Apr 16, 2026, 10:53 AM

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