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Cal. 5040.B

English
User’s Manual

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II

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Setting the date/time 
following a battery change

Example:
– Date / time on the watch:

/ 1:25 AM

– Present date / time:

/ 8:30 PM

Pull out the crown to position 

II 

(the watch continues to run).

Turn the crown until yesterday’s date
appears

.

03

17
04

Crown 

Date

I

II

III

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*

*

Pull out the crown to position 

III 

(the watch stops).

**

Turn the crown until the correct date

appears.

**Continue to turn the crown until the 

correct time 8:30 PM appears.

**

Push the crown back into position 

I

.

04

Please note: 

*

*

To set your watch to the exact second,
please refer to the chapter entitled «setting
the time».

**Please observe the AM/PM clock rhythm.

Second hand


RONDA AG 
CH-4415 Lausen/Switzerland

www.ronda-startech.com

11

/20

0

6

Battery type: 395 (diameter 9.5mm x 2.6mm / SR 927 SW)
Accuracy: +20 / -10 seconds per month

In case your watch needs to be repaired or to raise claims 
under a guarantee, please contact the point of sales

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Description of the display and control buttons

Display elements

Date

Second hand

Minute hand 

Hour hand

Centre stop-second

Minute counter

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second counter

(houer counter after 30 minutes)

Control buttons

Push button A

Crown

Push button B

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Chronograph: Basic function

(Start / Stop / Reset)

Example: 

Start:

Press push-button 

A

.

Stop:

to stop the timing, press push-

button A once more and read the three
chronograph hands: 

4min/ 38sec /

7

10

sec

Zero positioning:

Press push-button 

B

(The three chronograph hands will be reset
to their zero positions).

Push-button A

Push-button B

Minute counter

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10

second counter

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Chronograph:
Accumulated timing

Example:

Start:

(start timing)

Stop:

(e.g. 

15

min

5

sec following 

)

Restart:

(timing is resumed)

*

Stop:

(e.g.

13

min

5

sec following 

)

=

28 min 10 sec

(

The accumulated measured time is shown

)

Reset:

The three chronograph hands are returned
to their zero positions.

Push-button A

Push-button B

Please note:

* Following 

, the accumulation of the 

timing can be continued by pressing 

push-

button A

(Restart / Stop, Restart / Stop, …)

Minute counter

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10

second counter

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Chronograph:
Intermediate or interval timing

Example:

Start:

(start timing)

Display interval:

e.g. 

10 minutes 10 seconds

(timing 

continues in the background)

Making up the measured time:

(the 3 chronograph hands are quickly
advanced to the ongoing measured time).

Stop:

(Final time is displayed)

Reset:

The 3 chronograph hands are returned to
their zero position

Push-button A

Push-button B

Push-button B

Please note:

* Following 

, further intervals or inter-

mediates can be displayed by pressing

push-button B

(display interval / make up

measured time, ...)

*

Minute counter

1

10

second counter

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I

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III

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III

Adjusting the chronograph
hands to zero position

Example: 
One or several chronograph hands are not in
their correct zero positions and have to be
adjusted (e.g. following a battery change).

Pull out the crown to position 

III

(all 3

chronograph hands are in their correct or
incorrect zero position).

Keep push-buttons 

A and B

depressed

simultaneously

for at least 2 seconds

(the centre stop-second rotates by 
360°

 

corrective mode is activated).

Center stop-
second

Push-button A

Push-button B

Minute counter

1

10

second counter

Adjusting the centre stop second

A
A

1 x short
long

Single step
Continuous 

Adjusting the next hand  B

Adjusting the next hand  B

Returning the crown to position 

I

Termination of the chronograph hands adjustment
(can be carried out at any time).

III

I

II

A

B

A

A

B

A
A

1 x short
long

Single step
Continuous

A
A

1 x short
long

Single step
Continuous

Adjusting the 

1

10

second counter hand (position 6h)

Adjusting the minute counter hand (position 9h)

I

II

III

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III

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Setting the time

*Pull out the crown to position 

III 

(the watch stops).

Turn the crown until you reach the correct
time 

8:45

.

*Push the crown back into position 

I.

Please note: 

* In order to set the time to the exact second,

must be pulled out when the second hand

is in position «60». 
Once the hour and minute hands have been
set, 

must be pushed back into position I at

the exact second.

Second hand

I

II

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1

0

Setting the date (quick mode)

Pull out the crown to position 

II

(the watch

continues to run).

Turn the crown until the correct 
date appears.

Push the crown back into position 

I

.

01

 

Please note:

During the date changing phase between 
9 PM and 12 PM; the date must be set to the
date of the following day.

An extreme acceleration in setting the date
with quick mode can induce a false date indi-
cation. The synchronization is re-established
by setting the date from 01 till 31 (crown in
position II).

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