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

Reference IW3730-07

About this watch

The IWC Portofino IW3730-07 is a stunning timepiece that effortlessly combines elegance with cutting-edge technology. This luxurious yellow gold watch features a sophisticated black dial with stick and dot indexes, seamlessly integrating chronograph functions for precise timing. The Jaeger-LeCoultre caliber 631 movement, a remarkable MecaQuartz hybrid, powers the watch with 233 intricate parts and 25 jewels for smooth operation. With its sleek alligator leather strap and 30-meter water resistance, this timepiece is perfect for everyday wear. The Portofino collection's classic design and understated luxury appeal make it a favorite among connoisseurs. Whether dressing up or heading to brunch, the IW3730-07 adapts beautifully to any occasion, reminding you that time is precious and can be worn with style. As an investment in luxury, this watch offers excellent value for its quality materials, craftsmanship, and unique movement. The IWC Portofino IW3730-07 stands tall amongst competitors like Rolex and Omega, offering a fresh alternative with its MecaQuartz technology.
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Key Features

  • Luxurious yellow gold case
  • Sophisticated black dial with stick indexes
  • Chronograph functions for precise timing
  • Jaeger-LeCoultre caliber 631 MecaQuartz movement
  • Sapphire glass and 30-meter water resistance
  • Alligator leather strap for comfort and style
  • Unique blend of tradition and innovation

Specifications

Brand
IWC
Family
Portofino
Model
Portofino Lady Chronograph MecaQuartz Yellow Gold / Black / Alligator
Reference
IW3730-07
Movement
631
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph
Case
Yellow Gold 29mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
30

Current Listings

[WTS] IWC Portofino IW333101 – Solid 18k Gold – Ultra Thin Dress Watch – $3,250 OBO

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IWC - IW333101 · $3,250
A IWC Portofino IW333101 is a timeless, ultra-thin dress watch in solid 18k yellow gold with a clean, minimalist dial and date window at 3 o'clock. It features understated luxury and ideal for both formal occasions and everyday wear.

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

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IWC - IW459604 · $7,850
A limited-edition IWC Portofino Automatic Moon Phase watch with a striking and elegant design, featuring a moon phase display and a bespoke snake-shaped solid gold rotor.

  • 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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IWC - IW391036 · $4,995
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
Active
[WTS] 2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $6,795

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
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

IWC Portofino Ref. IW391030 Day-Date Chronograph on Bracelet

IWC - IW391030 · $3,195
This IWC Portofino Chronograph Reference IW391030 features a polished stainless steel case and a classic black dial adorned with rhodium-plated appliqués and sleek leaf-style hands.

  • Condition: Excellent, some light wear
  • Material: Stainless Steel
  • 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
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
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