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THE TECHNICAL REFINEMENTS OF THE
PORTUGIESER PERPETUAL CALENDAR 42
Your IWC watch shows you the time in hours, minutes and seconds, the moon phase, the day, the
date, the month as well as the leap year. The mechanical movement with automatic winding has
a power reserve of approximately 60 hours when fully wound. Your Portugieser Perpetual Calendar 42
is protected by a convex sapphire glass of hardness grade 9 on Mohs' scale. Your watch is water-
resistant to 3 bar. The engraved rotor winds the watch in both directions of rotation via the Pellaton
winding system. In addition to the uniqueness of its functions, it is the display's legibility and the
ease with which it can be used that distinguishes this watch from all other complicated timepieces.
To ensure that this extraordinary watch continues to perform faultlessly in the future, it is essential to
observe a few important operating instructions.
PORTUGIESER PERPETUAL CALENDAR 42
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