IWC Schaffhausen INGENIEUR CHRONOGRAPH Mode D'emploi page 24

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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. 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 bar and protected
by a sapphire glass of hardness grade 9 on Mohs' scale. To
ensure that this extraordinary watch continues to perform fault­
lessly 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