Harding VD50, VD51, VD52, VD53, VD54 Operation Manual

VD50 VD51 VD52 VD53 VD54 VD55 VD56 VD57 VD59

Hour
Minute
Second

Window

Date

O X

Date setting

1st click X

Time setting

2nd click 1st click

Chrono 1/10 second

*12H

Chrono second

6H

Chrono minute

9H 6H

24 hour indicator

X 3H

Sun & moon

3H

Start/ stop

Reset/ split/ split
release

* VD50 is with retrograde chrono 1/10 second at 12H sub-dial

Remarks :

1) The measurement time indicated by the stopwatch hands move independently of the center hands.

2) Chrono 1/10 sec : The stopwatch 1/10 second hand moves for a first minute. After one minute, it indicates the
measurement time when it is stopped. (applicable to VD50, VD55, V

D56, VD57, VD59)

Hands

Center Hour Hand

Center Minute Hand

Center Second Hand

O X

Crown

1st click X

2nd click 1st click

Sub-dials

X 12H

12H 6H

9H

X 3H X

X

Buttons

2H (Button A)

4H (Button B)

VD51 VD50 VD52 VD53 VD54

VD56 VD55 VD57 VD59

OPERATION MANUAL OF VD5 CHRONOGRAPHS

DISPLAY AND CROWN / BUTTON OPERATION

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If either of the stopwatch hands are not in the "0" position , reset them following the procedure below.

1) Pull the crown out to :

VD50, VD51, VD52, VD53, VD57 (calibres with date window) : second click

VD54, VD55, VD56, VD59 (calibres without date window) : first click

2) Press button A or B to reset all stopwatch hands to "0" position.

* The stopwatch minute hand moves correspondingly with the stopwatch second hand.

* The hands move quickly if the respective buttons are kept pressed.

3) Push the crown back to the normal position.

* Before setting the time, check that the chronograph measurement is stopped.

VD50, VD51, VD52, VD53, VD57 (calibres with date window) :

1) Pull out the crown to the first click.

2) Turn the crown clockwise until the preview day's date appears.

3) Pull out the crown to the second click when the second hand

is at the 12 o'clock position. It will stop on the spot. Set the

hands to the desired time of the day (make sure AM/PM is set

correctly) by turning the crown.

* When the crown is at the second click position, do not press any button. Otherwise the chronograph hands

will move.

4) Push the crown back in the normal position in accordance with a time signal.

* Do not set the date between 9:00 P.M. and 1:00 A.M, otherwise the day may not change properly. If it is
necessary to set the date during the time period, firstly change the time to any time outside it, set the date and
then reset the correct time.

TIME SETTING

Button A

Button B

set the day set the time

* Before setting the time, check if all the chronograph hands - 1/10 second (where applicable), second, minute ­ are at the "0"(12 o'clock) position.
* If the stopwatch is in use, press the buttons in the following order to reset it, and then, check if the hands return
to "0" position. (For details , see "HOW TO USE THE STOPWATCH")

* If the chronograph is counting : A -> B
* If the stopwatch is stopped : B
* If the split time is displayed : B -> A -> B

ADJUSTING THE STOPWATCH HAND POSITION

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