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

Reference IW3730-17

About this watch

The IWC IW3730-17 Portofino Lady Chronograph is a stunning timepiece that beautifully balances sophistication and functionality. This elegant watch features a unique MecaQuartz movement, combining quartz precision with mechanical complexity. The striking appearance of the IW3730-17 captivates with its combination of yellow gold and stainless steel, creating a stunning contrast that is both eye-catching and sophisticated. The black dial is adorned with stick and dot indexes, providing a classic look that never goes out of style. One of the standout features of the IW3730-17 is its chronograph functionality, powered by the intricate Jaeger-LeCoultre caliber 631. With a total of 233 parts, it's a marvel of engineering that allows the wearer to measure elapsed time with remarkable accuracy. The precision of the quartz base ensures that you’ll always be on time, while the mechanical chronograph adds that extra flair for those who love to track time with style. The watch boasts a lug width of 16.00 mm, making it a comfortable fit for various wrist sizes, and is perfect for everyday wear, giving you peace of mind that you won’t have to baby it too much. With its elegant design, advanced movement, and comfortable wearability, the IWC IW3730-17 stands out not just for its beauty but also for its engineering marvel, making it suitable for both watch enthusiasts and those who simply appreciate fine craftsmanship.
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Key Features

  • MecaQuartz movement with quartz precision and mechanical complexity
  • Chronograph functionality powered by Jaeger-LeCoultre caliber 631
  • Sapphire crystal glass for scratch resistance
  • Water-resistant up to 30 meters
  • Yellow gold and stainless steel construction for durability
  • Black dial with stick and dot indexes for classic look

Specifications

Brand
IWC
Family
Portofino
Model
Portofino Lady Chronograph MecaQuartz Stainless Steel / Yellow Gold / Black / Alligator
Reference
IW3730-17
Movement
631
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph
Case
29mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
30

Current Listings

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

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

IWC - IW391404 · $5,995
This 2025 IWC Portofino Chronograph Black is a brand new timepiece featuring a chronograph function. The watch comes in a 39mm case and includes a full set of accessories, including the box, travel case, international warranty card, and instructions manual.

  • Condition: New condition
  • Case size: 39mm diameter
Posted at
May 24, 2026, 11:47 AM
Active
[WTS] IWC Portofino Chronograph $3200 SHIPPED

IWC Portofino Chronograph $3200 SHIPPED

IWC - IW391002 · $3,200
A pre-owned IWC Portofino Chronograph in working condition at the time of listing, but not guaranteed for future performance.

  • Condition: Pre-owned, working condition
  • Case Size Without Crown: 42 mm
  • Case Size With Crown: 45 mm
  • Straps Included: 1
Posted at
May 23, 2026, 12:37 PM
Active
[WTS] IWC Portofino 42MM Black Dial, Stainless Steel Full Set

IWC Portofino 42MM Black Dial, Stainless Steel Full Set

IWC - IW391010 · $4,000
This 2018 IWC Portofino Chronograph features a black dial, stainless steel case and Milanaise bracelet. It includes day and date display, small hacking seconds, chronograph function and is a full set with original box, warranty card and manual.

  • Condition: beautiful condition with no visible scratches
  • Bracelet Type: Milanaise
  • Case Size: 42MM
Posted at
May 22, 2026, 8:14 PM
Active
[WTS] 2025 NEW IWC Portofino Chronograph Black IW391404 39mm Full Set - $5,995

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

IWC - IW391404 · $5,995
A 2025 IWC Portofino Chronograph Black IW391404 is available for sale. It features a chronograph function and comes with a full set including the watch, box, travel case, international warranty card, and instructions manual.

  • Condition: New condition
  • Size: 39mm diameter
  • Year: 2025
  • Case Contents: Watch, Box, Travel Case, International Warranty Card, Instructions Manual
Posted at
May 21, 2026, 10:00 PM
Active
[WTS] IWC Portofino Chronograph — 42mm — Ref. IW391029 — $2,699 Shipped 🔥

IWC Portofino Chronograph — 42mm — Ref. IW391029 — $2,699 Shipped 🔥

IWC - IW391029 · $2,699
This IWC Portofino Chronograph features a clean, timeless case design paired with a classic chronograph layout. It's a refined everyday luxury chronograph that wears well at 42mm.

  • Condition: Fair overall
  • Case Diameter: 42mm
  • Condition Notes: Crystal has minor AR coating wear, Bezel, case, caseback, and clasp show hairlines from normal wear
Posted at
May 20, 2026, 9:35 PM
Active
[WTS] IWC Portofino Automatic Moonphase 40mm IW459402 – Box/Watch/Papers – $5000 - Warranty until 11/2029!

IWC Portofino Automatic Moonphase 40mm IW459402 – Box/Watch/Papers – $5000 - Warranty until 11/2029!

IWC - IW459402 · $5,000
This IWC Portofino Automatic Moonphase features a 40mm case. The watch comes with its original box, papers, and is still under warranty until 11/2029.

  • Box: yes, included
  • Papers: yes, included
  • Warranty: until November 2029
Posted at
May 20, 2026, 5:54 PM
Active
[WTS] IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $7,850

IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $7,850

IWC - IW459604 · $7,850
The IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake is a striking and elegant limited-edition piece that blends classic dress watch refinement with artistic flair. The 37mm polished stainless steel case paired with the rich burgundy/red dial gives this watch an eye-catching yet tasteful presence on the wrist.

  • Condition: great condition
  • Case size: 37.1 mm
  • Thickness: 11.3 mm
  • Dial color: burgundy/red
Posted at
May 16, 2026, 4:24 PM
Active
[WTS] IWC Portofino Chronograph $3200 SHIPPED

IWC Portofino Chronograph $3200 SHIPPED

IWC - IW391002 · $3,200
This IWC Portofino Chronograph features a 42 mm case without crown and 45 mm with crown. It includes the original strap and buckle.

  • Condition: Pre-owned, working condition, sold as-is
  • Case size: 42mm diameter
  • Band type: original
Posted at
May 16, 2026, 12:15 PM
Active
IWC Portofino Automatic 40MM IW356303 Silver Dial

IWC Portofino Automatic 40MM IW356303 Silver Dial

IWC - IW356303 · $2,080
IWC Portofino Automatic 40MM IW356303 Silver Dial is a men's watch with a mechanical automatic movement.

  • Condition: 90%
  • Size: 40mm diameter
  • Case material: Stainless Steel
Posted at
Apr 8, 2025, 8:48 AM
Active