IWC Portofino Portofino Hand-Wound Monopusher White Gold / Slate

Reference IW5151-03

IWC Portofino Hand-Wound Monopusher White Gold / Slate

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.

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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

Current Listings

2021 IWC Portofino Chronograph White IW391027 42mm Full Set - $4,395

IWC - IW391027 · $4,395

A 2021 IWC Portofino Chronograph White, a 42mm chronograph watch featuring a white dial.

Condition: Excellent condition with minimal signs of wear
Year: 2021
Size: 42mm diameter
Contents: Box, Travel Case, International Warranty Card, Instructions Manual

Posted at

May 14, 2026, 12:48 PM

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View listing on r/WatchExchange

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

IWC - IW391404 · $5,995

Up for sale is a IWC Portofino Chronograph Black, a 39mm timepiece with chronograph functionality.

Condition: New condition
Year: 2025
Case size: 39mm

Posted at

May 14, 2026, 12:45 PM

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View listing on r/WatchExchange

2021 IWC Portofino Chronograph White IW391027 42mm Full Set - $4,395

IWC - IW391027 · $4,395

A 2021 IWC Portofino Chronograph White, a 42mm watch in excellent condition.

Condition: Excellent condition with minimal signs of wear
Case size: 42mm diameter
Shipping method: Fedex
Insurance included: true

Posted at

May 11, 2026, 9:48 PM

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View listing on r/WatchExchange

2015 IWC Portofino Chronograph | Complete set | Cheapp

IWC - IW391008 · $3,385

This Portofino is a timeless classic — elegant, refined, and versatile. The chronograph adds useful functionality without detracting from the dress-watch feel, making this a great addition for both daily wear and special occasions.

Condition: Good pre-owned
Case Size: 42mm
Movement: IWC automatic chronograph
Includes: Original IWC box, IWC warranty card, stainless steel mesh bracelet

Posted at

May 10, 2026, 7:18 PM

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View listing on r/WatchExchange