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chronograph
VD57 (VD55, no date)
(1 crown/2 pushers)
Time Setting
1. Pull the crown out to position 3.
2. Set time by turning the crown clockwise.
3. Push back to position 1 to start the watch.
Using the Stopwatch
1. Button A stops and starts the stopwatch.
2. Button B controls the split time and resets the stopwatch.
Stopwatch Hand Adjustment
1. Pull the crown out to position 3.
2. Press A to reset the stopwatch 1/10 second hand to the “0” position.
3. Press B to reset the second and minute hands.
4. With each press of A or B, the hands move one position. They move quickly if the buttons are kept pressed.
NoTe: If the stopwatch hands function improperly, pull out crown and press A and B at the same time for over 2 seconds.
When the buttons are released, the stopwatch second and 1/10 second hands will spin around and return to “0.” This will
indicate that the internal circuit has been reset.
Date Setting *(On some models only)
1. Pull the crown out to position 2.
2. Turn clockwise until desired date appears in window.
3. Push crown back to position 1.
chronograph Stopwatch
VD54 (with date-VD53)
(1 crown/2 pushers)
Time and Date Setting
1. Before setting the time, make sure the chronograph is stopped and set to zero (12:00) position.
2. Pull crown out to position 2.
3. Turn crown clockwise until the previous day’s date is displayed.
4. Pull crown out to position 3 when the second hand is at the 12:00 position.
5. Turn crown to set time.
NoTe: 24-hour hand moves correspondingly with the hour and minute hands. When setting the time be sure to check that
the 24-hour hand is set properly.
6. Return crown to position 1.
NoTe: When the crown is in position 2, do not press the pushers. otherwise the chronograph hands will move.
chronograph
1. Press A to start/stop the chronograph.
2. Press B to reset to zero.
Split Time
1. Press B while the chronograph is running.
2. Press B again to return to the chronograph.
3. Press A to finalize timing.
4. Press B to reset.
chronograph Zero Reset
1. If either of the chronograph hands is not at the zero (12:00) position, pull crown out to position 3.
2. Press A to move hands clockwise; press B to move hands counter-clockwise.
3. Return crown to position 1.
A
B
MINUTE HAND
SECOND HAND
24-HOUR HAND
1/10 SECOND
HAND
MINUTE
HAND
SECOND
HAND
1/10 SECOND HAND
MINUTE HAND
SECOND HAND
chronograph Stopwatch
OS10 (OS30, no date)
(1 crown/2 pushers)
Setting the Time
1. Pull the crown out to position 3.
2. Turn the crown to set the desired time.
3. Return the crown to its normal position.
Setting the Date
1. Pull the crown out to position 2.
2. Turn the crown clockwise until the correct date is shown in the date window.
3. Return the crown to its normal position.
chronograph Operation
The chronograph can measure up to twelve hours in one second increments. Pusher A starts and stops the chrono operation.
Pusher B is for lap-time and reset.
Adjusting the chronograph
1. Pull the crown to position 3.
2. Press A to reset the second hand to zero.
3. Press B to reset the chronograph minute and hour hands.
4. Reset the watch to the current time and return the crown to its normal position.
MINUTE
HOUR
SECOND
HOUR
MINUTE
SECOND