IWC Schaffhausen Ingenieur Mode D'emploi page 20

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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
I N G E N I E U R C H R O N O G R A P H
Your IWC watch shows you the time in hours, minutes and
seconds, together with the date and the day. You can use the
integrated chronograph to measure any period of time up to
12 hours in seconds, minutes and hours. Stop times can be
added to gether. The mechanical movement with automatic
winding has a power reserve of approximately 46 hours when
fully wound. Your Ingenieur Chronograph is water­resistant
12 bar­and­protected­by­a­sapphire­glass­of­hardness­grade­9­
on Mohs' scale. To ensure that this extraordinary watch continues
to perform faultlessly in the future, it is essential to observe a few
important operating instructions.
I N G E N I E U R C H R O N O G R A P H