IWC Portofino Portofino Chronograph MecaQuartz Yellow Gold / White / Alligator

Reference IW3731-02

IWC Portofino Chronograph MecaQuartz Yellow Gold / White / Alligator

About this watch

The IWC IW3731-02 Portofino Chronograph MecaQuartz is a masterpiece of luxury watchmaking, embodying elegance, precision, and versatility. This stunning yellow gold timepiece boasts a classic white dial, sapphire glass, and a Jaeger-LeCoultre caliber 631 movement that seamlessly blends quartz reliability with mechanical intricacies. With its MecaQuartz technology, this watch combines the accuracy of quartz with the charm and sophistication of a traditional mechanical piece, making it a unique marvel in the world of watches. The IW3731-02 is perfect for those who appreciate both style and functionality, whether dressing up for formal occasions or styling down for casual outings. With its 30 meters of water resistance, this watch can withstand splashes without worry. Pair it with a tailored suit or your favorite jeans – this timepiece works seamlessly with your wardrobe. The IWC IW3731-02 Portofino Chronograph MecaQuartz is not just a watch; it's a work of art that tells a story. Its unique blend of elegance, craftsmanship, and innovative technology makes it stand out among other luxury watch brands.

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Key Features

Yellow Gold Case
Classic White Dial
Sapphire Glass
Jaeger-LeCoultre Caliber 631 Movement
MecaQuartz Technology
Chronograph Feature
Date Display Function

Specifications

Brand

IWC

Family

Portofino

Model

Portofino Chronograph MecaQuartz Yellow Gold / White / Alligator

Reference

IW3731-02

Movement

631

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph

Case

Yellow Gold 35mm

Dial Color

White

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

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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

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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

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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

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View listing on r/WatchExchange