iwc PORTUGIESER PERPETUAL CALENDAR TOURBILLON Operating Instructions Manual page 7

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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 I E S E R
P E R P E T UA L C A L E N DA R
T O U R B I L L O N
Your IWC watch shows you the time in
hours and minutes, the moon phase,
the day, the date, the month and the
year in four digits, as well as the remain­
ing power reserve. The mechanical
movement with automatic winding
has a power reserve of approximately
7 days (168 hours) when fully wound.
Your Portugieser Perpetual Calendar
Tourbillon is protected by an arched­
edge sapphire glass of hardness
grade 9 on Mohs' scale. Your watch
is water­resistant 3 bar. The engraved
P O R T U G I E S E R P E R P E T U A L C A L E N D A R T O U R B I L L O N