5
After setting the hands to their original positions, return to crown position 1.
Claude Bernard 10
Watch function:
The crown has 3 positions:
1. Normal position (wearing position): when the crown is positioned against the case, the crown ensures that
the watch is water-resistant.
2. Correcting the date: pull the crown out to position 2, turn the crown forwards and push it back to position 1.
3. Time setting: hours, minutes and seconds. Pull the crown out to position 3. The seconds hand will stop. Turn
the crown forwards or backwards. Synchronise the seconds by pushing the crown back to position 1 to coincide
with a given time signal.
Chronograph functions:
Pusher A: start – stop, start – stop, etc.
Timing to 1/10 of a second for up to 30 minutes.
Pushers B: reset (after a stop)
Accumulated timing chronograph:
Press button A to start. Press button B after arrival of the first “sprinter” – The time will be indicated. Press button
A after arrival of the second “sprinter” – The time is memorized. Read the time of the first “sprinter”. Press button
B to read the time of the second “sprinter” (the chronograph hands will turn at a faster speed until indication of the
time). Press button B to reset hands to zero.
NB: the hands should be reset to their original position before the chronograph is used:
Pull out the crown to position 3.
Press the button A and B at the same time for at least 2 seconds.
Press (1 x short for single or 1 x long for continuous) button A to adjust the centre stop second.
Press button B to adjust the next hand.
Press (1 x short for single or 1 x long for continuous) button A to adjust the 1/10 second hand.
Press button B to adjust the next hand.
Press (1 x short for single or 1 x long for continuous) button A to adjust the minute hand.
Return to crown position 1.
Claude Bernard 13
Watch function:
The crown has 3 positions:
Time and day setting: pull the crown out to position 3, turn the crown forwards or backwards. Push the crown
back to position 1.
Date setting: pull the crown out to position 2. Turn the crown clockwise to set the date, then push the crown back
to position 1.
Cumulative Time measuring: Push button A to start the timing, push button A to stop the timing. Push button B
to reset.
Split Times measuring: Push button A to start, push button B to split, push button B to restart, push button A to
stop. Push button B to reset.
Claude Bernard 16, 20, 21, 64
Watch functions:
The crown has 2 positions:
1. Normal position (wearing position): when the crown is positioned against the case, the crown ensures that
the watch is water-resistant.
2. Time setting: hours and minutes. Pull the crown out to position 2.
Turn the crown forwards or backwards. Push the crown back to position 1.
Claude Bernard 23
Watch functions:
The crown has 2 positions:
1. Normal position (wearing position): when the crown is positioned against the case, the crown ensures that
the watch is water-resistant.
