IWC Schaffhausen Portofino midsize automatic moon phase Mode D'emploi page 18

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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 O f i n O M i d s i z e a u t O M a t i c M O O n p H a s e
Your IWC watch shows you the time in hours, minutes and sec-
onds. 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 unbreak-
®
able Nivaflex * mainspring, has a power reserve of approximately
®
42 hours when fully wound. Your Portofino Midsize Automatic
Moon Phase is protected by a sapphire glass of hardness grade 9
on Mohs' scale. Your watch 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 O f i n O M i d s i z e a u t O M a t i c M O O n p H a s e