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Portugieser Eternal Calendar

Automatic winding, Diameter 44.4 mm

White, Platinum Case

PRODUCT INFORMATION

  • White dial
  • Black alligator leather strap by Santoni Strap width 22.0 mm

DELIVERY & RETURNS INFORMATION

Limited Availability – contact us to learn about purchase options

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Portugieser Eternal Calendar

The Portugieser Eternal Calendar is the first secular perpetual calendar from IWC Schaffhausen and automatically considers the Gregorian calendar’s leap-year exceptions. In addition, this horological marvel also features a moon phase display with a mathematical accuracy of 45 million years.

Portugieser Eternal Calendar | IWC Schaffhausen

IWC’s first secular perpetual calendar automatically takes into account the Gregorian calendar’s complex leap year exceptions by skipping three leap years over a 400-year period. In addition, its moon phase display is so precise that it will – theoretically – only deviate by one day after 45 million years.

'Case'
  • Features
  • Case
  • Movement
  • Packaging
  • Small hacking seconds
  • Pellaton automatic winding
  • Power reserve display
  • 7 days power reserve
  • Rotor with 18-carat gold medallion
  • Eternal calendar with displays for the date, day, month, year in four digits and eternal moon phase
  • Double box-glass sapphire crystals, antireflective coating on both sides
  • Case Platinum Case
  • Diameter 44.4 mm
  • Height 14.9 mm
  • Back case See-through sapphire glass back
  • Water resistance 5.0 bar
  • Calibre 52640 Calibre
  • Movement type Automatic winding, IWC-manufactured movement
  • Power Reserve Indicator 168 hours
  • Frequency 28'800 VPH (4 Hz)
  • Components 396
  • Jewels 54

Contact Concierge

Do you have a question about a product, your order or our service? Contact us via phone, email, or through our Whatsapp service.