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
50

Current Listings

[WTS] IWC Portuguese Perpetual Calendar Silver Dial Rose Gold IW503701

IWC Portuguese Perpetual Calendar Silver Dial Rose Gold IW503701

IWC - IW503701 · $39,800
The IWC Portuguese Perpetual Calendar reference IW503701 features a refined silver plated dial and 18k rose gold case with a fixed rose gold bezel, paired with a brown leather strap and deployant clasp. It showcases IWC’s iconic perpetual calendar layout with displays for date, day, month, year, and moonphase.

  • Condition: Excellent
  • Case material: 18k Rose Gold
  • Bezel type: Fixed Rose Gold Bezel
  • Strap material: Brown Leather
Posted at
Mar 1, 2026, 10:40 AM
Active
View listing on r/WatchExchange
[WTS] IWC Schaffhausen Portugieser. Blue Hands/Indices. 40mm. IW358312. Card Included..

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

IWC Schaffhausen - IW358312 · $5,500
This IWC Portugieser is a beautiful watch with an inhouse movement, featuring blue hands and indices on a 40mm case.

  • Movement: inhouse
  • Size: 40mm diameter
  • Case material: not specified
Posted at
Feb 28, 2026, 3:38 PM
Active
View listing on r/WatchExchange
[WTS] IWC Portugieser Automatic IW500705 Full Set, 2 IWC Straps

IWC Portugieser Automatic IW500705 Full Set, 2 IWC Straps

IWC - IW500705 · $5,999
A classic IWC Portugieser Automatic with a clean black dial and iconic large-case presence. It includes two original IWC leather straps in black and navy for versatile wear options. The watch is powered by IWC's in-house automatic movement.

  • Condition: Full set, excellent condition
  • Movement: Automatic, running properly
  • Case size: 42.3mm diameter
  • Crystal status: Clean
Posted at
Feb 28, 2026, 3:18 PM
Active
View listing on r/WatchExchange
[WTS] IWC Portugieser 18K white gold IW500106

IWC Portugieser 18K white gold IW500106

IWC - IW500106 · $13,888
A rarely worn IWC Portugieser IW500106 comes with its original packaging and accessories, including a brand new blue alligator strap.

  • Condition: great minty condition
  • Warranty: yes, includes warranty card
  • Buckle Type: 18k white gold folding buckle
  • Additional Buckle: IWC stainless steel pin buckle
Posted at
Feb 28, 2026, 3:32 AM
Active
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[WTS] IWC Portugieser - 2025 Like New - $8500

IWC Portugieser - 2025 Like New - $8500

IWC - IW501705 · $8,500
A IWC Portugieser Automatic 42, one of the newest Portugieser references available. It remains under IWC factory warranty until March 2033 and features a sapphire crystal with AR coating.

  • Condition: Like-new condition
  • Case Size: 42.4 mm
  • Thickness: 12.9 mm
  • Movement: IWC Calibre 52011 Automatic
Posted at
Feb 22, 2026, 8:45 PM
Active
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[WTS] IWC Portugieser Automatic 40 - Silver Dial - 40mm - IW358312 - BRAND NEW

IWC Portugieser Automatic 40 - Silver Dial - 40mm - IW358312 - BRAND NEW

IWC - IW358312 · $7,200
A brand-new IWC Portugieser Automatic 40 watch in silver dial and 40mm size is being sold. The watch has a mechanical function without any issues.

  • Condition: Brand new, unworn, pristine condition
  • Case size: 40mm diameter
Posted at
Feb 21, 2026, 12:11 PM
Active
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[WTS] IWC Portugieser Automatic 40 - IW358305 2023 Box and Papers

IWC Portugieser Automatic 40 - IW358305 2023 Box and Papers

IWC - IW358305 · $4,600
The Portugieser Automatic 40 is a stainless steel watch with a blue dial and 30m water resistance, powered by an automatic movement. It features a 40mm case size and comes with a black leather strap.

  • Condition: Light pre-owned
  • Case Size: 40mm diameter
  • Material: Stainless Steel
  • Dial Color: Blue
Posted at
Feb 20, 2026, 9:15 PM
Active
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[WTS] 2023 IWC Portugieser Chronograph – Ref. IW371620 – White Dial / Blue Subdials – Full Set – Excellent Condition – $5,750 Shipped

2023 IWC Portugieser Chronograph – Ref. IW371620 – White Dial / Blue Subdials – Full Set – Excellent Condition – $5,750 Shipped

IWC - IW371620 · $5,750
The IWC Portugieser Chronograph features a clean, modern interpretation of the classic Portugieser design with a striking white dial and contrasting blue subdials. The 41mm case offers a balanced wrist presence while providing reliable performance from its automatic chronograph movement.

  • Condition: Excellent
  • Case Size: 41mm diameter
  • Movement: Automatic chronograph (IWC Caliber 69355)
  • Crystal: Sapphire (front and display caseback)
Posted at
Feb 20, 2026, 12:29 PM
Active
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IWC Portugieser Chronograph - 41mm - Gold Numerals - IW371604 ( new / 2024 )

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