IWC Portofino Portofino Automatic 37 Red Gold / Ardoise

Reference IW4581-06

IWC Portofino Automatic 37 Red Gold / Ardoise

About this watch

The IWC Portofino Automatic 37 is a masterpiece of luxury watchmaking, blending elegance with functionality in perfect harmony. Its round red gold case and stunning grey dial are set off by gem-set indexes that add a touch of sparkle, while the feuille hands glide smoothly over the dial for a delightful reading experience. With a diameter of 37 mm and a height of only 9.00 mm, this watch sits comfortably on the wrist, making it an excellent choice for daily wear. Powered by the reliable IWC caliber 35111 movement, this timepiece boasts 25 jewels, a 42-hour power reserve, and a frequency of 28,800 vibrations per hour, ensuring precision and reliability. The date function is seamlessly integrated into the design, while the water resistance of 30 meters allows for brief immersion in water without worrying about damage. This watch is not just a time-telling device but a statement piece that radiates sophistication and style, making it perfect for anyone who appreciates fine craftsmanship and timeless design.

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Key Features

Red gold case
Stunning grey dial with gem-set indexes
Feuille hands
IWC caliber 35111 movement
25 jewels
42-hour power reserve
28,800 vibrations per hour

Specifications

Brand

IWC

Family

Portofino

Model

Portofino Automatic 37 Red Gold / Ardoise

Reference

IW4581-06

Movement

35111

Movement Features

Hours, Minutes, Seconds
Date

Case

Red Gold 37mm

Dial Color

Grey

Crystal

Sapphire

Water Resistance

Current Listings

2021 IWC Portofino Chronograph White IW391027 42mm Full Set - $4,395

IWC - IW391027 · $4,395

A 2021 IWC Portofino Chronograph White, a 42mm chronograph watch featuring a white dial.

Condition: Excellent condition with minimal signs of wear
Year: 2021
Size: 42mm diameter
Contents: Box, Travel Case, International Warranty Card, Instructions Manual

Posted at

May 14, 2026, 12:48 PM

Active

View listing on r/WatchExchange

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

IWC - IW391404 · $5,995

Up for sale is a IWC Portofino Chronograph Black, a 39mm timepiece with chronograph functionality.

Condition: New condition
Year: 2025
Case size: 39mm

Posted at

May 14, 2026, 12:45 PM

Active

View listing on r/WatchExchange

2021 IWC Portofino Chronograph White IW391027 42mm Full Set - $4,395

IWC - IW391027 · $4,395

A 2021 IWC Portofino Chronograph White, a 42mm watch in excellent condition.

Condition: Excellent condition with minimal signs of wear
Case size: 42mm diameter
Shipping method: Fedex
Insurance included: true

Posted at

May 11, 2026, 9:48 PM

Active

View listing on r/WatchExchange

2015 IWC Portofino Chronograph | Complete set | Cheapp

IWC - IW391008 · $3,385

This Portofino is a timeless classic — elegant, refined, and versatile. The chronograph adds useful functionality without detracting from the dress-watch feel, making this a great addition for both daily wear and special occasions.

Condition: Good pre-owned
Case Size: 42mm
Movement: IWC automatic chronograph
Includes: Original IWC box, IWC warranty card, stainless steel mesh bracelet

Posted at

May 10, 2026, 7:18 PM

Active

View listing on r/WatchExchange