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IWC Schaffhausen

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    IWC Schaffhausen

    Double moon

    Double moon

    The double moon display shows the current moon phase for the northern and southern hemispheres simultaneously. In each lunar month, the moon’s orbit as displayed on the watch deviates by about 12 seconds. Thanks to its ingenious design, the double moon only needs to be adjusted by 1 day every 577 years.