Operation Manuals

TPS Model

Time setting

1) Pull out the crown to the second click position.
2) Turn the crown to set hour and minute hand (Check that AM / PM is set correctly).
3) Push the crown back into the normal position.

* If the crown is pulled to the second position while the chronograph is started, the chronograph hands will continue to move. This is not a malfunction.

Reset after battery replacement

1) Pull out the crown to the second click position.
2) Press the bottom button for two seconds and release the button.
3) Push the crown back to the normal position.
4) The small second hand will move at two-second interval for 10 seconds as a demonstration.

If the crown is operated within these 10 seconds, the two-second interval movement will not be activated.

It is not necessary to set the chronograph hands after the battery is exchanged. If the chronograph hand positions are incorrect, following below procedure all the chronograph hands will be reset to “0” position:

Press top button (start) --> Press top button (stop) --> Press bottom button (reset)

How to use the chronograph

Press top button to start the chronograph. The chronograph hands will start moving.

Press top button again to stop the chronograph. The chronograph hands stop to indicate the elapsed time.

Press bottom button to reset the chronograph. All the chronograph hands will be reset to “0” position.

The chronograph can measure up to 60 minutes

chronograph stops after a measurement for 60 minutes

To restart the chronograph function : Press top button


During the chronograph operation, bottom button (reset) can be pushed. It will not cause any problem.

Restart and stop of the chronograph can be repeated as many times as necessary by pressing top button.

Battery type replacement: ref. SR936SW or 394

CHR Model

Setting the time

1) Pull the crown out to the 2nd Click position.

2) Turn the crown clockwise to set the hour and minute hands.

3) After the time has been set, push the crown back to the Normal position.

Setting the date

1) Pull the crown out to the 1st Click position.
2) Turn the crown clockwise to set the date.
3) After the date has been set, push the crown back to the Normal position.

Obs.: If the date is set between the hours of around 9:00 PM and 1:00 AM, the date may not change on the following day.

Using the chronograph

This chronograph is able to measure and display time in 1/20 of a second united up to maximum of 59 min 59 sec. The chronograph 1/20 second hand keeps ticking continuously for 30 seconds after starting, and then stops at Zero position.

The chronograph can be started and stopped whenever the “top” button is pressed. Press the “bottom” button to reset the chronograph, then chronograph minute and second hands return to the Zero position.

OBS.: CHRONOGRAPH RESET (incl. after replacing battery)

This procedure should be performed when the chronograph second hand does not return to the Zero position.

1) Pull the crown out to the 2nd Click position.

2) Press the “top” button once to set the chronograph second hand to the Zero position.
3) Press the “bottom” button once to set the chronograph 1/20 second hand to the Zero position. The chronograph hands can be advanced rapidly by continuously pressing the button.
4) Once the hands are set at the Zero position, reset the time and return the crown to its normal position.

Battery type replacement: ref. SR927SW or 395

SSD & HDS Models

Setting the time

1) Pull the crown out to the 1st Click position.
2) Turn the crown to set the hour and minute hands.
3) When the crown is pushed back to the normal position, the second hand begins to run.

Battery type replacement: ref. SR626SW or 377

CAL Model

Setting the time

1) Pull the crown out to the 2nd Click position.
2) Turn the crown to set the hour and minute hands.
3) When the crown is pushed back to the Normal position, the second hand begins to run.

Setting the date


1) Pull the crown out to the 1st Click position.

2) Turn the crown counter-clockwise to set the date.
3) After the date has been set, push the crown back to the Normal position.

Obs.: If the date is set between the hours of around 9:00 PM and 1:00 AM, the date may not change the following day.

Battery type replacement: ref. SR626SW or 377