IWC Portofino Portofino Lady Chronograph MecaQuartz Stainless Steel / Black / Calf

Reference IW3730-05

About this watch

The IWC Portofino IW3730-05 is a stunning example of luxury watchmaking, combining elegance with functionality. This MecaQuartz chronograph features a compact 29mm stainless steel case, scratch-resistant sapphire glass, and a black dial adorned with stick and dot indexes. The Jaeger-LeCoultre caliber 631 movement showcases intricate engineering, providing exceptional accuracy and smooth chronograph function operation. With its lightweight case and soft calf leather strap, this watch is comfortable for all-day wear, fitting seamlessly into any occasion. Whether you're looking for a statement piece or a practical timepiece, the IWC Portofino IW3730-05 perfectly embodies the spirit of leisurely luxury.
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Key Features

  • 29mm stainless steel case
  • Scratch-resistant sapphire glass
  • Jaeger-LeCoultre caliber 631 MecaQuartz movement
  • Chronograph function with smooth operation
  • Comfortable lightweight design
  • Black calf leather strap
  • Water resistance of 30 meters

Specifications

Brand
IWC
Family
Portofino
Model
Portofino Lady Chronograph MecaQuartz Stainless Steel / Black / Calf
Reference
IW3730-05
Movement
631
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph
Case
Stainless Steel 29mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
30

Current Listings

[WTS] IWC Portofino Automatic IW356504 18K Rose Gold 40MM Silver Dial Automatic

IWC Portofino Automatic IW356504 18K Rose Gold 40MM Silver Dial Automatic

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
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
2024 IWC Portofino Hand-Wound Moon Phase Silver Steel FULL SET MINT IW516401

2024 IWC Portofino Hand-Wound Moon Phase Silver Steel FULL SET MINT IW516401

IWC - IW516401 · $8,875
This IWC Portofino Hand-Wound Moon Phase features a silver-plated dial with a moon phase display, high-polished stainless steel domed bezel and case, and an exhibition caseback offering a clear view of the movement. It has an 8-day power reserve when fully wound and includes various functions such as hours, minutes, date, small seconds subdial, moon phase display, and power reserve indicator.

  • Condition: Mint
  • Case Size: 42mm
  • Material: stainless steel
  • Movement Type: hand-wound
Posted at
Apr 2, 2025, 5:33 PM
Active
IWC Portofino 18K Rose Gold Grey Dial Eight Days 45mm IW510104

IWC Portofino 18K Rose Gold Grey Dial Eight Days 45mm IW510104

IWC - IW510104 · $8,190
The IWC Portofino is a men's watch featuring a grey dial and 18K rose gold case, with a size of 45mm. It has a mechanical manual movement and functions include date and power reserve.

  • Condition: 90%
  • Case material: 18K Rose Gold
  • Movement type: Mechanical Manual
  • Size: 45mm
Posted at
Mar 6, 2025, 9:28 AM
Active
IWC Portofino Hand-Wound 8 Days Hand-Wound Black Steel 45mm IW510102 Strap

IWC Portofino Hand-Wound 8 Days Hand-Wound Black Steel 45mm IW510102 Strap

IWC - IW510102 · $4,199
The IWC Portofino Hand-Wound 8 Days is a pre-owned watch with a black steel case, featuring an IWC hand-wind movement and 45mm diameter. It comes with an IWC box, papers, and a brown leather strap.

  • Condition: Excellent
  • Case material: Stainless Steel
  • Crystal type: Sapphire
  • Movement type: Hand Wind
Posted at
Feb 28, 2025, 7:57 PM
Active
IWC Portofino Automatic White Dial 38mm IW353303

IWC Portofino Automatic White Dial 38mm IW353303

IWC - IW353312 · $2,275
The IWC Portofino Automatic White Dial is a 38mm men's watch with a mechanical automatic movement and date function, housed in a stainless steel case.

  • Condition: 90%
  • Case size: 38mm
  • Movement type: Mechanical Automatic
Posted at
Feb 16, 2025, 8:46 AM
Active
IWC Portofino Chronograph Black Dial Automatic IW391002

IWC Portofino Chronograph Black Dial Automatic IW391002

IWC - IW391002 · $2,990
The IWC Portofino Chronograph Black Dial Automatic IW391002 is a men's watch featuring a stainless steel case and mechanical automatic movement. It has a chronograph function and date display.

  • Condition: 95%
  • Size: 42mm
  • Function: Chronograph ; Date
  • Case Material: Stainless Steel
Posted at
Feb 11, 2025, 10:19 AM
Active
FOST: IWC Portofino Hand-Wound Moon Phase Silver Steel FULL SET MINT IW516401

FOST: IWC Portofino Hand-Wound Moon Phase Silver Steel FULL SET MINT IW516401

IWC - IW516401 · $9,785
The IWC Portofino Hand-Wound Moon Phase features a silver-plated dial with a moon phase display, high-polished stainless steel domed bezel, and an exhibition caseback offering a clear view of the movement.

  • Condition: Mint condition
  • Case Material: Stainless Steel
  • Diameter: 40mm
Posted at
Feb 7, 2025, 3:58 PM
Active