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The holiday season is here! Place your order by December 18th to receive it in time to gift it for the holidays. Complimentary exchange and returns extended until January 31st, in their original packaging and conditions.

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Past Collections, 2015

IW503401

Portugieser Perpetual Calendar

18 ct white gold Case, Automatic winding, Diameter 44.2 mm.

Made in Switzerland

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Please contact us to reserve this item
Limited Availability – contact us to purchase over the phone

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Our Concierge will be happy to help you complete your purchase, find out availability in our boutiques or answer any questions

Or send us a message through our online form. 


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Our Concierge will be happy to help you complete your purchase, find out availability in our boutiques or answer any questions

Or send us a message through our online form. 

IW503401 Specifications

Case

Case

  • 18 ct white gold Case
  • Diameter 44.2 mm
  • Height 14.9 mm
  • See-through sapphire glass back
  • Water resistance 3.0 bar

Movement

Movement

  • 52615 Calibre
  • IWC-manufactured movement
  • Automatic winding
  • 168 Power Reserve Indicator
  • Frequency 28800.0 VPH (4.0 Hz)
  • 381 Components
  • 54 Jewels

Features

Features

  • Small hacking seconds
  • Pellaton automatic winding
  • Sapphire glass, arched-edge, antireflective coating on both sides
  • Power reserve display
  • Perpetual calendar with displays for the date, day, month, year in four digits and perpetual moon phase for the northern and southern hemisphere
  • 7 days power reserve

dial

dial

  • Blue dial

Strap

Strap

  • Black alligator leather strap by Santoni
  • Strap width 22.0 mm
PORTUGUESE collection image
PORTUGUESE collection image

Official Documents

Make the most out of your IWC watch to make it last longer. Here’s all the useful information for its maintenance.

 

 

Care for your IWC Watch

 

Like any precision mechanical instrument, a watch from IWC Schaffhausen needs regular care and maintenance.

Learn more about your watch and how to maintain it. 

 

Complete Service

 

It involves a full overhaul of the timepiece and is a complex, largely manual task that takes several hours.

 

 

 

HOW-TO TIPS

 

Learn how to clean your watch, wind it and more in our six-part “How To…” video series.

 

 

 

 

FAQS

 

If you can’t find answers to your questions here, please feel free to contact a member of our service staff.