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

Reference IW3730-09

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

About this watch

The IWC IW3730-09 Portofino Lady Chronograph MecaQuartz is an exquisite timepiece that embodies style, sophistication, and superb craftsmanship. Its elegant black dial and contrasting yellow gold detailing are a testament to the brand's dedication to creating stunning yet functional watches. The round case, measuring 29 mm in diameter, is compact yet substantial, perfect for those who appreciate a classic look. The combination of stainless steel and yellow gold gives it an air of sophistication, making it versatile enough for both casual and formal occasions. Under the hood, the IW3730-09 is powered by the Jaeger-LeCoultre caliber 631 MecaQuartz, a unique movement that blends the best of both worlds - the complexity of a mechanical chronograph and the precision of quartz. With its comfortable wear, soft leather strap, and water resistance rating of 30 meters, this watch is designed for everyday wear. The IWC IW3730-09 Portofino Lady Chronograph MecaQuartz is more than just a watch; it's a statement piece that will surely turn heads.

Buy Now on Jomashop

This is an affiliate link

Key Features

Jaeger-LeCoultre caliber 631 MecaQuartz movement
Stainless Steel / Yellow Gold case material
Black dial with stick and dot indexes
Water resistance up to 30 meters
Soft leather strap for comfortable wear
Sapphire crystal glass for scratch-resistant clarity

Specifications

Brand

IWC

Family

Portofino

Model

Portofino Lady Chronograph MecaQuartz Stainless Steel / Yellow Gold / Black / Calf

Reference

IW3730-09

Movement

631

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph

Case

29mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

Current Listings

2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $5,095

IWC - IW391036 · $5,095

This IWC Portofino Chronograph Blue is a 2019 model, reference IW391036, featuring a blue dial and chronograph function. It's in excellent condition and has been thoroughly tested on a timegrapher.

Condition: Excellent condition with minimal signs of wear
Case size: 42mm diameter
Water resistance: 30m depth rating

Posted at

Apr 18, 2026, 5:25 PM

Active

View listing on r/WatchExchange

IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $7,900

IWC - IW459604 · $7,900

A limited-edition IWC Portofino Automatic Moon Phase watch with a 37mm polished stainless steel case and burgundy/red dial. The watch features a moon phase display, a snake-shaped solid 18k 5N gold rotor, and an IWC-manufactured Calibre 32800 automatic movement.

Condition: great
Case size: 37.1mm
Thickness: 11.3mm
Dial color: burgundy/red

Posted at

Apr 18, 2026, 2:49 PM

Active

View listing on r/WatchExchange

2022 IWC Portofino Chronograph ref: IW391037 - full set

IWC - IW391037 · $4,998

The IWC Portofino Chronograph IW391037 is a watch that brings together precision and heritage in a design that feels both purposeful and refined. It features a crisp, white dial with deep blue hands on a blue alligator strap, along with three chronograph subdials and the day and date at the 3 o'clock position.

Condition: Very good pre-owned condition
Case size: 42mm diameter
Movement type: Automatic

Posted at

Apr 17, 2026, 5:07 PM

Active

View listing on r/WatchExchange

2019 IWC Portofino Automatic ref: IW356519 - Full set

IWC - IW356519 · $3,598

The IWC Portofino Automatic Edition '150 Years' is a limited jubilee collection edition watch with a 40mm case size, crisp white dial, and date display at the 3:00 position. It features a 42-hour power reserve and 30 meters of water resistance.

Condition: Very good pre-owned condition with very faint signs of wear
Case size: 40mm diameter
Water resistance: 30 meters

Posted at

Apr 17, 2026, 4:46 PM

Active

View listing on r/WatchExchange

IWC Portofino Moonphase 41mm Auto with Box/Papers - IW459402 - Active Warranty until 11/2029

IWC - IW459402 · $12,500

IWC Portofino Moonphase 41mm Auto with box and papers, active warranty until 11/2029.

Case size: 41mm
Water resistance: 30m

Posted at

Apr 17, 2026, 3:32 PM

Active

View listing on r/WatchExchange

IWC Portofino Automatic Moon Phase 40mm Blue Dial IW459402 Complete

IWC - IW459402 · $4,950

This IWC Portofino Automatic Moon Phase features a 40mm blue dial. The watch is in very good condition, rated at 9.5/10.

Condition: Very good condition, a few microscratches on the caseback and clasp.
Box Count: 2
Movement Type: Automatic

Posted at

Apr 17, 2026, 10:11 AM

Active

View listing on r/WatchExchange

2019 IWC Portofino Chronograph Blue IW391036 42mm Full Set - $5,095

IWC - IW391036 · $5,095

A 2019 IWC Portofino Chronograph Blue, a 42mm chronograph watch in excellent condition.

Condition: Excellent condition with minimal signs of wear
Case Size: 42mm diameter

Posted at

Apr 16, 2026, 6:46 PM

Active

View listing on r/WatchExchange

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

IWC Schaffhausen - IW356504 · $6,999

This IWC Portofino Automatic IW356504 features a 40mm rose gold case and an original brown leather strap. The watch presents in near mint condition with minimal signs of wear.

Condition: Excellent / Near Mint
Case material: Solid 18K Rose Gold
Case size: 40mm
Movement type: Automatic IWC Movement

Posted at

Apr 16, 2026, 10:53 AM

Active

View listing on r/WatchExchange