IWC Portofino Portofino Hand-Wound Monopusher White Gold / Slate

Reference IW5151-03

About this watch

The IWC Portofino IW5151-03 is a luxurious timepiece that embodies elegance and simplicity, inspired by the Italian Riviera. This hand-wound monopusher chronograph features a round white gold case measuring 45 mm in diameter and 12.80 mm in height. The slate dial is adorned with stick and dot indexes, while the feuille hands glide smoothly over the dial. The IWC caliber 59360 movement guarantees precision with 36 jewels and a frequency of 28,800 vibrations per hour. This watch makes a statement, not just telling time but doing it with style and ease. With an impressive 8-day power reserve and water resistance up to 30 meters, this timepiece is both functional and luxurious. The versatility of the IW5151-03 allows for various strap options, while its white gold case exudes luxury and durability.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • IWC caliber 59360 hand-wound movement
  • White gold case with 45 mm diameter and 12.80 mm height
  • Slate dial with stick and dot indexes
  • Monopusher chronograph functionality
  • 8-day power reserve
  • Water resistance up to 30 meters
  • Versatile strap options

Specifications

Brand
IWC
Family
Portofino
Model
Portofino Hand-Wound Monopusher White Gold / Slate
Reference
IW5151-03
Movement
59360
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Column wheel, Monopoussoir
  • Power Reserve Indicator
Case
White Gold 45mm
Dial Color
Grey
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