IWC Portugieser Portugieser Perpetual Calendar 44 Armor Gold / Silver

Reference IW5037-01

IWC Portugieser Perpetual Calendar 44 Armor Gold / Silver

About this watch

Welcome to the world of luxury watches, where every tick tells a story, and every feature is a testament to craftsmanship. The IWC Portugieser Perpetual Calendar 44 Armor Gold / Silver (model IW5037-01) is a true masterpiece, showcasing exceptional craftsmanship and design. With its sophisticated design, impressive features, and the esteemed reputation of IWC, this timepiece is undoubtedly a worthy investment. Whether you’re a seasoned collector or new to the world of luxury watches, the IW5037-01 is sure to impress. Right out of the box, the IW5037-01 makes a bold statement, crafted from Armor Gold with a matte finish that gives it a modern edge. The round shape and sleek lines make it suitable for both formal and casual occasions, ensuring versatility in your wardrobe. At first glance, you might think a watch of this size could feel heavy, but surprisingly, the IW5037-01 strikes a balance between presence and comfort. The 22.00 mm lug width allows for a snug fit on the wrist, while the overall design ensures it’s not cumbersome, making it ideal for daily wear. Let’s talk about what lies beneath the surface. The heart of the IW5037-01 is the IWC caliber 52616, an automatic movement that showcases the brand's engineering excellence. With a power reserve of up to 7 days, you won’t have to worry about winding it frequently. The IW5037-01 boasts an impressive 54 jewels in its movement, reducing friction and enhancing longevity. The frequency of 28800 vibrations per hour ensures that this watch keeps accurate time, making it a reliable companion for the modern adventurer.

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Key Features

44mm diameter case
IWC caliber 52616 automatic movement
7-day power reserve
54 jewels in movement
Sapphire crystal glass
Perpetual calendar with date, day, month, and year indicators
Moonphase feature
Water resistance up to 50 meters

Specifications

Brand

IWC

Family

Portugieser

Model

Portugieser Perpetual Calendar 44 Armor Gold / Silver

Reference

IW5037-01

Movement

52616

Movement Features

Hours, Minutes, Small Seconds
Date, Day, Month, Perpetual Calendar, Year Indicator
Moonphase
Power Reserve Indicator

Case

44.4mm

Dial Color

Silver

Crystal

Sapphire

Water Resistance

Current Listings

IWC Schaffhausen Portugieser. Blue Hands/Indices. 40mm. IW358312. Card Included..

IWC Schaffhausen - IW358312 · $4,950

This IWC Portugieser is a gorgeous watch with an inhouse movement, available for sale. It features blue hands and indices on a 40mm case.

Case size: 40mm diameter
Movement type: inhouse

Posted at

Apr 19, 2026, 11:42 AM

Active

View listing on r/WatchExchange

IWC Portugieser Jubilee Ref. 5441 – 18k Rose Gold – Limited Edition 006/500 – REDUCED PRICE

IWC - 5441 · $13,249

A limited edition IWC Portugieser Jubilee Ref. 5441 in 18k rose gold produced to celebrate IWC's 125th anniversary, featuring a manual-winding movement and classic Portugieser design language.

Condition: Overall very good vintage condition, minor scuffing around the ~10 o'clock area on the crystal.
Case Size: ~42 mm
Dial Color: Silver
Movement Type: Manual winding

Posted at

Apr 18, 2026, 2:43 PM

Active

View listing on r/WatchExchange

[US] IWC Portugieser Automatic 40 - Silver Dial - 40mm - IW358312 - BRAND NEW

IWC - IW358312 · $7,025

This IWC Portugieser Automatic 40 is a brand new timepiece with a silver dial and 40mm case size. It features an automatic movement and comes with all original accessories.

Condition: Brand new, unworn
Case size: 40mm
Movement type: Automatic

Posted at

Apr 18, 2026, 8:18 AM

Active

View listing on r/WatchExchange

IWC Portugieser Chronograph IW371624 Dune Dial Full Set

IWC - IW371624 · $7,497

This pre-owned IWC Portugieser Chronograph is a stainless steel timepiece with a dune dial on a black alligator strap, featuring an automatic movement.

Condition: Very good condition
Case diameter: 41mm
Movement type: Automatic

Posted at

Apr 13, 2026, 9:11 AM

Active

View listing on r/WatchExchange

[US] IWC Portugieser Automatic 40 - Silver Dial - 40mm - IW358312 - BRAND NEW

IWC - IW358312 · $7,050

This IWC Portugieser Automatic 40 features a silver dial and is fully functional without any issues.

Condition: Brand new, unworn
Case diameter: 40mm

Posted at

Apr 11, 2026, 8:56 AM

Active

View listing on r/WatchExchange

IWC Schaffhausen Portugieser. Blue Hands/Indices. 40mm. IW358312. Card Included..

IWC Schaffhausen - IW358312 · $5,195

A beautiful IWC Portugieser with inhouse movement and blue hands/indices, featuring a 40mm case.

Movement: inhouse
Diameter: 40mm

Posted at

Apr 7, 2026, 6:58 PM

Active

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IWC Portugieser Perpetual Calendar 42 Boutique Edition Full Set, Mint Condition

IWC - Portugieser Perpetual Calendar 42 Boutique Edition · $22,000

The Portugieser Perpetual Calendar is the crown jewel of IWC's Portugieser line, featuring a rich blue dial with gold-plated hands and 18K gold appliqués. The perpetual calendar itself is a piece of horological history, originally developed by Kurt Klaus in the 1980s.

Condition: Excellent Condition
Case material: 18K Rose Gold
Case size: 42.4mm diameter
Movement: IWC Calibre 82650, Automatic

Posted at

Apr 6, 2026, 7:14 PM

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IWC Portugieser Chronograph - 41mm - Gold Numerals - IW371604 ( new / 2024 )

IWC - IW371604 · $6,995

This IWC Portugieser Chronograph features a stainless steel case and gold numerals. It comes with all the original boxes, papers, booklets, and IWC Warranty Card.

Condition: unworn
Case size: 41mm diameter
Movement: In-House Calibre 69355

Posted at

Apr 2, 2025, 3:10 PM

Active

View listing on RolexForums