iwc Portuguese Chronograph Bedienungsanleitung Seite 16

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t h e t e c h n i c a l r e F i n e M e n t s O F t h e
p O r t u g u e s e c h r O n O g r a p h
Your IWC watch shows you the time in hours, minutes and sec-
onds. You can use the integrated chronograph to measure any
period of time in seconds and minutes. Stop times can be added
together. The mechanical movement with automatic winding has
a power reserve of approximately 44 hours when fully wound.
Your watch is protected by a convex sapphire glass of hardness
grade 9 on Mohs' scale and is water-resistant 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.
p O r t u g u e s e c h r O n O g r a p h