Blancpain Fifty Fathoms 5019 Manual De Instrucciones página 10

Operation of the watch
This watch serves to measure the duration of long technical dives or exits from
a saturation diving system.
Calibre powering the hours, minutes, seconds and dive-time indicator up to
three hours.
The dive-time hand makes one full turn in three hours. When used in combination
with the unidirectional rotating bezel, it displays a dive time of up to three hours.
The hours, minutes and dive-time hands are superimposed at 12:00 and 24:00.
Semi-automatic
helium valve
Seconds hand
8
Hours hand Minutes hand
(three-hour graduation)
A
Patented* dive-time
(one full turn in three hours)
Unidirectional
rotating bezel
B
indicator up
to three hours