IWC Portugieser Portugieser Perpetual Calendar 44 Armor Gold / Silver

Reference IW5037-01

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] 2021 IWC Portugieser Chronograph Blue IW371606 41mm Full Set - $5,395

2021 IWC Portugieser Chronograph Blue IW371606 41mm Full Set - $5,395

IWC - IW371606 · $5,395
A 2021 IWC Portugieser Chronograph Blue in excellent condition, featuring a 41mm case and equipped with a chronograph function.

  • Condition: Excellent condition with minimal signs of wear
  • Case Size: 41mm diameter
  • Year: 2021
Posted at
May 26, 2026, 1:08 PM
Active
[WTS] IWC Portugieser Chronograph IW371624 Dune Dial 41mm Full Set 2024

IWC Portugieser Chronograph IW371624 Dune Dial 41mm Full Set 2024

IWC - IW371624 · $6,897
A pre-owned IWC Portugieser Chronograph Ref. IW371624 features a stainless steel case, dune dial on black alligator leather strap, and automatic chronograph movement. It is accompanied by its original box, papers, and contents.

  • Condition: Very good condition with light signs of normal wear
  • Case size: 41mm diameter
  • Case material: Stainless steel
  • Movement type: Automatic chronograph
Posted at
May 25, 2026, 10:02 PM
Active
[WTS] REDUCED TO SELL:  1993 IWC Portugieser Jubilee Ref. 5441 – 18k Rose Gold – Limited Edition

REDUCED TO SELL: 1993 IWC Portugieser Jubilee Ref. 5441 – 18k Rose Gold – Limited Edition

IWC - 5441 · $11,999
A limited edition 1993 IWC Portugieser Jubilee Ref. 5441 in 18k rose gold, one of only 500 produced to celebrate International Watch Company's 125th anniversary.

  • Condition: very good vintage condition, minor scuffing around the ~10 o'clock area on the crystal
  • Case size: ~42 mm
  • Dial material: silver
  • Movement type: manual winding
Posted at
May 25, 2026, 8:59 PM
Active
[WTS] IWC Portugieser Automatic (IW500109)

IWC Portugieser Automatic (IW500109)

IWC - IW500109 · $5,500
This IWC Portugieser Automatic features a black dial on a black leather strap, is discontinued and in very good condition. It comes with box, booklets, and warranty card dated January 2011.

  • Condition: very good with a few light marks
  • Case Material: Stainless Steel
  • Bracelet Material: Leather
  • Crystal: Sapphire
Posted at
May 25, 2026, 8:58 AM
Active
[WTS] 2022 IWC Portugieser Chronograph Green IW371615 41mm Full Set - $5,995

2022 IWC Portugieser Chronograph Green IW371615 41mm Full Set - $5,995

IWC - IW371615 · $5,995
A 2022 IWC Portugieser Chronograph Green, a chronograph watch with green dial. It features a 41mm case and is in excellent condition.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2022
  • Case size: 41mm
Posted at
May 24, 2026, 11:51 AM
Active
[WTS][US] IWC Portugieser Automatic 40 - Silver Dial - 40mm - IW358312 - BRAND NEW

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

IWC - IW358312 · $6,900
This IWC Portugieser Automatic 40 is a mechanical watch with a silver dial and 40mm case. It features a digital transferable warranty until 12/2025.

  • Condition: Brand new, unworn
  • Case size: 40mm
Posted at
May 23, 2026, 5:09 AM
Active
[WTS] 2022 IWC Portugieser Chronograph Green IW371615 41mm Full Set - $5,995

2022 IWC Portugieser Chronograph Green IW371615 41mm Full Set - $5,995

IWC - IW371615 · $5,995
This is a 2022 IWC Portugieser Chronograph Green, a high-end chronograph watch with a 41mm case size.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2022
  • Case size: 41mm
Posted at
May 21, 2026, 10:10 PM
Active
[WTS] IWC Portugieser Chronograph IW371624 Automatic Dune Dial 2024 41mm Full Set

IWC Portugieser Chronograph IW371624 Automatic Dune Dial 2024 41mm Full Set

IWC - IW371624 · $6,997
This is an IWC Portugieser Chronograph with a stainless steel case, dune dial on black alligator strap, and automatic movement.

  • Condition: Very good
  • Case size: 41mm diameter
  • Material: Stainless steel
  • Movement: Automatic
Posted at
May 18, 2026, 8:53 AM
Active
[WTS] IWC Portugieser Tourbillon Mystere, White Gold IW504207 ♦️Lightly Used Undated♦️

IWC Portugieser Tourbillon Mystere, White Gold IW504207 ♦️Lightly Used Undated♦️

IWC - IW504207 · $30,300
This IWC Portugieser Tourbillon Mystere features a white gold case and is in lightly used condition. It comes with a full set, including the box and papers.

  • Condition: Lightly Used
  • Case material: White Gold
  • Movement: Calibre 65
Posted at
May 18, 2026, 4:42 AM
Active