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THE TECHNICAL REFINEMENTS OF THE
PORTUGIESER AUTOMATIC 40
Your IWC watch shows you the time in hours, minutes and seconds. The mechanical movement, which
is timed in five positions, with automatic winding, a temperature-compensating balance spring made
of Nivarox
* of the highest quality and an unbreakable Nivaflex
* mainspring, has a power reserve of
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approximately 60 hours when fully wound. Your Portugieser Automatic 40 is protected by a sapphire
glass of hardness grade 9 on Mohs' scale. Your watch is water-resistant to 3 bar. To ensure that this
extraordinary watch continues to perform faultlessly in the future, it is essential to observe a few
important operating instructions.
* IWC Schaffhausen is not the owner of the Nivaflex
and Nivarox
trademarks.
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PORTUGIESER AUTOMATIC 40