Cronometrics Engineer Manual Download Page 2

Seconds hand

Hours hand

Minutes hand

1

2

3

4

1

2

3

4

A DJ USTI NG TH E 
ST R A P TO YOU R 
W R IST SIZE

1.  Open the clasp.

2.  Place a small tool like a screw-

driver in the slot and perform 
a lever movement according to 
the image.  
 
NOTE: We recommend using 
a screwdriver of a size that 
matches the slot. Make sure 
that the tool you are using isn’t 
much smaller than the slot 
opening. Otherwise the flap 
could get bent.

3.  Shift the buckle to the desired 

position.

4.  Then close and press the flap 

into the initial position.

THE  S TR AP

OVERVIE W

Reset the stopwatch

Crown

Normal position: pushed in 
Setting position: pulled out

Start & stop the stopwatch

Stop

/min

Stopwatch minutes dial

Hours

/24

24 hours dial

Stop

/sec

Stopwatch seconds dial

BU TTONS

TH E DI A L

FUN C TIONS

TIME

SIZE

SETTI NG TH E TI M E

1. 

Pull out the crown.

2. 

Turn the crown to set the time.

3. 

Push the crown in.

SECU R I NG   
TH E  CL A SP

1. 

Pull the the hook over the pin 
and hook it in.

2. 

Close the main flap of the clasp.

3. 

Close the security flap.

4. 

The clasp is closed.

STOPWATCH

The stopwatch is able to measure a peri-
od of time up to 30 minutes long.

1.  Press 

A

 to start the stopwatch.

2.  The stopwatch can be started and 

stopped each time 

A

 is pressed.

3.  Press 

B

 to reset the stopwatch.

STOPWATCH R ESET

This procedure should be performed 
when the stopwatch second hand does 
not return to the ZERO second position 
after the stopwatch has been reset, and 
including after the battery has been 
replaced.

1.  Pull the crown out.

2.  Press 

A

 to set the stopwatch sec-

onds hand to the ZERO position.

3.  The stopwatch minutes hand is 

synchronized with the stopwatch 
seconds hand. The stopwatch sec-
onds hand can be advanced rapidly 
by continuously pressing 

A

.

4.  Once the hands have been zeroed, 

reset the time and push the crown 
back in.

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