iwc AQUATIMER CHRONOGRAPH Mode D'emploi page 30

• Push the crown back to position 0 to start the move-
ment.
• Now push the crown to position X and secure it by
simultaneously turning it to the right.
Important: Although the watch is water-resistant in pos-
itions 0, 1 and 2, the crown should always be screwed in
again for normal use (position X).
Reading the time in the dark
The dial, the hour and minute hands, as well as the mark-
ing on the rotating bezel of your watch have luminescent
elements that allow you to read the time effortlessly
even in total darkness. The two luminescent elements at
12 o'clock serve as a reference point.