Rolex OYSTER PERPETUAL YACHT-MASTER 37, Manual

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8
THE HEART OF THE
YACHT-MASTER MODEL USING
YOUR WATCH ROLEX
SERVICE
SETTING THE WATCH
Screwed-down position (position 0)
The crown is completely screwed down
against the case. When the crown
is in this position, the Oyster Perpetual
Yacht-Master is guaranteed waterproof
to a depth of 100 metres (330 feet).
Manual winding (position 1)
The crown is unscrewed. To wind
the watch manually, turn the crown
clockwise; turning in the other direction
has no effect. When setting the watch
for the first time or after the watch
has stopped, complete a minimum
of 25 turns for partial winding.