IWC Portofino Portofino Lady Chronograph MecaQuartz Stainless Steel / Yellow Gold / Black / Alligator

Reference IW3730-19

About this watch

The IWC IW3730-19 Portofino Lady Chronograph MecaQuartz stands out with its exquisite design, combining luxury materials and refined mechanics. Its round case made from stainless steel and yellow gold exudes a sense of luxury and sophistication. The black dial is adorned with stick and dot indexes, allowing for easy readability while maintaining an elegant aesthetic. The chronograph feature allows the wearer to measure elapsed time with precision, making it perfect for timing workouts or meetings. The watch is complemented by a black alligator leather strap, enhancing its luxurious feel while ensuring comfort during wear. The MecaQuartz movement offers accuracy and reliability, combining the best of quartz and mechanical chronographs. This timepiece captures the essence of luxury and precision, elevating any look with its timeless elegance. Whether dressing up for a gala or enjoying a casual day out, this watch is sure to make a statement.
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Key Features

  • Round stainless steel and yellow gold case
  • Black dial with stick and dot indexes
  • Chronograph function with precision timekeeping
  • MecaQuartz movement combining quartz accuracy and mechanical chronography
  • Sapphire crystal glass for scratch resistance and clarity
  • High-quality alligator leather strap for comfort and durability
  • Water resistance of 30 meters

Specifications

Brand
IWC
Family
Portofino
Model
Portofino Lady Chronograph MecaQuartz Stainless Steel / Yellow Gold / Black / Alligator
Reference
IW3730-19
Movement
631
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph
Case
29mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
30

Current Listings

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  • Condition: Very Good
  • Case material: 18k yellow gold
  • Movement type: quartz
Posted at
Apr 25, 2026, 8:05 PM
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[WTS] IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $7,850

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  • Condition: great condition
  • Case diameter: 37.1 mm
  • Thickness: 11.3 mm
  • Dial color: burgundy/red
Posted at
Apr 25, 2026, 10:43 AM
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[WTS] 2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $4,995

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Up for sale is a IWC Portofino Chronograph Blue, a 2019 model featuring a chronograph function.

  • Condition: Excellent condition with minimal signs of wear
  • Case size: 42mm diameter
  • Shipping: Fully insured through Fedex within the USA
Posted at
Apr 25, 2026, 9:59 AM
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[WTS] 2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $6,795

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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
Active
[WTS] 2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $4,995

2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $4,995

IWC - IW391036 · $4,995
A blue-dialed Portofino Chronograph from IWC, featuring a 42mm case size.

  • Condition: Excellent condition with minimal signs of wear
  • Case size: 42mm
  • Movement status: Running well
Posted at
Apr 23, 2026, 3:10 PM
Active
[WTS] IWC Portofino Ref. IW391030 Day-Date Chronograph on Bracelet

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IWC - IW391030 · $3,195
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  • Condition: Excellent, some light wear
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  • Function: Time, Day & Date
  • Dial color: Black
Posted at
Apr 23, 2026, 2:03 PM
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[WTS] IWC Portofino Automatic IW356504 18K Rose Gold 40MM Silver Dial Automatic

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IWC - IW356504 · $6,899
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  • 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
Active
[WTS] 2021 IWC Portofino Chronograph White IW391027 42mm Full Set - $4,395

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
Active