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Technical refinements of the Da Vinci Automatic
Your IWC watch shows you the time in hours, minutes
and seconds as well as the date in large numerals. The
watch is water-resistant 3 bar and is protected by a sap-
phire glass of hardness grade 9 on Mohs' scale that is
convex on one side. The heart of your Da Vinci Automatic
is a mechanical automatic movement with 22 jewels (syn-
thetic rubies), a temperature-compensated balance spring
made of Nivarox of the highest quality, timed in five posi-
tions, and an unbreakable Nivaflex winding spring. To en-
sure that this extraordinary watch continues to perform its
tasks in future, it is essential to observe a few important
operating instructions.
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