IWC Schaffhausen Portugieser Eternal Calendar
Unveiled at the Watches and Wonders Geneva 2024 luxury watch fair, the new Portugieser Eternal Calendar by IWC Schaffhausen incorporates an advanced perpetual calendar mechanism and a moon phase function with an accuracy of 45 million years. Dressed in a platinum case, the Portugieser Eternal Calendar (Reference IW505701) is the
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