Breguet CLASSIQUE DOUBLE TOURBILLON 5345 Mode D'emploi page 10

Setting the time
Pull the crown to position X2, then turn upwards
move the hands forwards to the desired hour.
To set a precise time, ensure that the final rotation is
conducted in the clockwise direction.
Then push the crown to position X1. After this operation,
rotate the crown one time downwards.
The 5345 watch withstands an over-pressure
of 1.5 bar which is equivalent to the hydrostatic
pressure exerted by the water at a depth of
15 metres, provided that the crown is in position X1.
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