IWC Portofino Portofino Hand-Wound Eight Days Moonphase "150 Years" Stainless Steel / Blue

Reference IW5164-05

IWC Portofino Hand-Wound Eight Days Moonphase "150 Years" Stainless Steel / Blue

About this watch

The IWC IW5164-05 Portofino Hand-Wound Eight Days Moonphase '150 Years' is a stunning tribute to IWC's rich heritage, marrying modern horology with classic design. This limited edition watch, part of 350 units produced, combines luxury, functionality, and celestial magic. The round stainless steel case exudes sophistication, while the glossy blue finish invites closer inspection. The moonphase indicator adds a touch of elegance, reminding you of the beauty above. At its core is the IWC 59800 caliber, a marvel of engineering featuring 30 jewels for smooth operation and a 192-hour power reserve. This handwound movement is a testament to IWC's commitment to quality and craftsmanship. The Portofino adapts beautifully to your style, whether in a suit or casually dressed, making it a perfect companion for any occasion.

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MSRP: $14,200

Market Price: $7,052

Key Features

IWC caliber 59800 hand-wound movement
192-hour power reserve
30 meters water resistance
Moonphase indicator
Glossy blue stainless steel case
Feuille hands and stick/dot indexes
Date display and small seconds subdial

Specifications

Brand

IWC

Family

Portofino

Model

Portofino Hand-Wound Eight Days Moonphase "150 Years" Stainless Steel / Blue

Reference

IW5164-05

Movement

59800

Movement Features

Hours, Minutes, Small Seconds
Date
Moonphase
Power Reserve Indicator

Case

Stainless Steel 45mm

Dial Color

Blue

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

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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

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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

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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

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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

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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

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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

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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

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