IWC Portofino Portofino Automatic 37 Red Gold / Silver

Reference IW4581-05

IWC Portofino Automatic 37 Red Gold / Silver

About this watch

The IWC Portofino IW4581-05 is a stunning luxury watch that exudes elegance and sophistication. Its 37mm round case, made from luxurious red gold, features a classic design inspired by the Italian Riviera. The sapphire glass adds durability while enhancing the dial's clarity, showcasing a stunning silver color with gem-set indexes that reflect light beautifully. The Feuille hands sweep across the dial, offering a classic touch to the overall design. With its reliable IWC Caliber 35111 movement and power reserve of 42 hours, this watch is perfect for everyday wear or special occasions. Its comfortable fit and adjustable leather strap ensure a secure fit on any wrist size. The IW4581-05 is not just a timekeeper; it's a statement piece that tells a story of elegance and sophistication.

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Key Features

37mm round case in red gold
Sapphire glass for durability and clarity
IWC Caliber 35111 automatic movement with 42-hour power reserve
Adjustable leather strap for comfortable fit
Gem-set indexes on silver dial
Feuille hands for classic design touch

Specifications

Brand

IWC

Family

Portofino

Model

Portofino Automatic 37 Red Gold / Silver

Reference

IW4581-05

Movement

35111

Movement Features

Hours, Minutes, Seconds
Date

Case

Red Gold 37mm

Dial Color

Silver

Crystal

Sapphire

Water Resistance

Current Listings

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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2022 IWC Portofino Chronograph ref: IW391037 - full set

IWC - IW391037 · $4,998

The IWC Portofino Chronograph IW391037 is a watch that brings together precision and heritage in a design that feels both purposeful and refined. It features a crisp, white dial with deep blue hands on a blue alligator strap, along with three chronograph subdials and the day and date at the 3 o'clock position.

Condition: Very good pre-owned condition
Case size: 42mm diameter
Movement type: Automatic

Posted at

Apr 17, 2026, 5:07 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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2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $5,095

IWC - IW391036 · $5,095

A 2019 IWC Portofino Chronograph Blue, a 42mm chronograph watch in excellent condition.

Condition: Excellent condition with minimal signs of wear
Case Size: 42mm diameter

Posted at

Apr 16, 2026, 6:46 PM

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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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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 polished stainless steel case and burgundy/red dial. The watch features a moon phase display, sapphire crystal, and exhibition caseback.

Condition: great condition
Case Size: 37.1 mm
Thickness: 11.3 mm
Dial Color: burgundy/red

Posted at

Apr 12, 2026, 1:14 PM

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View listing on r/WatchExchange