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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. The Portugieser Eternal Calendar was awarded the “Grand Prix de l’Aiguille d’Or” at the 24. Grand Prix d’Horlogerie de Genève.

Complimentary standard delivery

All orders come with complimentary standard delivery. Watches or accessories will be shipped to your home or professional address within 3 to 5 business days. Alternatively, you can select to have your order available for pick-up at a boutique.

Personalization options

You can choose from various personalization options. For select models, we offer engraving services to add a specific date or name on the case back. Additionally, you can purchase different straps or bracelets to match your timepiece to your style.

Watch expert personal shopping

For orders placed by telephone, our concierge shopping service is available to help you find the perfect watch. A watch expert will guide you through our collections and answer any questions you may have about different models and complications.

Virtual watch try-on

You can try on our watches virtually before placing your order. The IWC App, available for download in all major app stores, features a try-on function using augmented reality. Point your smartphone camera at your wrist to see how a watch looks on you.