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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 H A N D - W O U N D M O O N P H A S E
Your IWC watch shows you the time in hours, minutes and seconds, together with the
date, the moon phase and the power reserve. Thanks to the fibreoptic image guide,
the date is extremely easy to read. The mechanical movement has a power reserve
of approximately 8 days (192 hours) when fully wound. Your Portofino HandWound
Moon Phase is protected by an archededge sapphire glass of hardness grade 9 on
Mohs' scale. Your watch is waterresistant 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 H A N D - W O U N D M O O N P H A S E