IWC Portofino Portofino Automatic Moon Phase 37 Red Gold / Diamond / Silver

Reference IW4590-14

About this watch

The IWC Portofino Automatic Moon Phase 37 Red Gold / Diamond / Silver is a masterpiece of luxury watchmaking, boasting an exquisite blend of elegance and functionality. Its red gold case exudes warmth and sophistication, while the gem-set bezel adds a touch of glamour. The silver dial provides a stunning contrast, ensuring the watch remains eye-catching without being overly ostentatious. At its heart lies the IWC caliber 35800, a reliable self-winding movement designed for accuracy and reliability. One of the standout features is the moonphase indicator located at the 12 o'clock position, offering practical applications for those who enjoy activities like fishing or gardening. With a water resistance of 30 meters, this watch adapts beautifully to various occasions, from formal events to casual daily wear. This piece of art is not only a timepiece but also a celebration of craftsmanship and style.

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Key Features

Red gold case with gem-set bezel
IWC caliber 35800 self-winding movement
Moonphase indicator at 12 o'clock position
Silver dial with gem-set indexes
Water resistance up to 30 meters
Elegant feuille hands for easy time reading
High-quality materials and craftsmanship

Specifications

Brand

IWC

Family

Portofino

Model

Portofino Automatic Moon Phase 37 Red Gold / Diamond / Silver

Reference

IW4590-14

Movement

35800

Movement Features

Hours, Minutes, Seconds
Moonphase

Case

Red Gold 37mm

Dial Color

Silver

Crystal

Sapphire

Water Resistance

Current Listings

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

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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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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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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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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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