iwc AQUATIMER DEEP TWO, Operating Instructions Manual

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The technical refinements of the Aquatimer Deep Two
Your IWC watch shows you the time in hours, minutes and seconds, as well
as the date, current dive depth and maximum depth achieved during your
dive. The water pressure (and thus dive depth) is measured by a pressure
converter and transmitted to the indicators, which show current dive depth
and maximum dive depth down to 50 metres. The depth gauge can be reset
to zero using the adjustment crown to correct fluctuations in atmospheric
pressure. The dive time is read off on the external rotating bezel, which for
safety reasons can only be turned anticlockwise. The mechanical movement
with automatic winding has 21 jewels (synthetic rubies) and a power reserve
of approximately 42 hours when fully wound. Your Aquatimer Deep Two is
shockproof and protected by a scratch-resistant sapphire glass of hardness
grade 9 on Mohs’ scale. Your watch is water-resistant 12 bar. The watch is
supplied with a tear-proof nylon strap with a hook-and-loop fastener for use
with a diving suit. This can be adjusted easily, even during dives. To ensure
that this extraordinary watch continues to perform faultlessly in the future, it
is essential to observe a few important operating instructions.