2
nd
Small
Small
Small
2
nd
Small
Small
2
nd
Small
Small
Small
2
nd
Small
Small
2
nd
Small
Small
2
nd
Small
Small
Small
2
nd
Small
Small
Small
2
nd
Small
23
LOW TIDE
M
ID
T
ID
E
M
ID
TI
D
E
HIGH TIDE
15
45
30
60
I
II
III
I
II
III
23
LOW TIDE
M
ID
T
ID
E
M
ID
TI
D
E
HIGH TIDE
15
45
30
60
A
B
I
II
III
I
II
III
23
LOW TIDE
M
ID
T
ID
E
M
ID
TI
D
E
HIGH TIDE
15
45
30
60
A
B
23
LOW TIDE
M
ID
T
ID
E
M
ID
TI
D
E
HIGH TIDE
15
45
30
60
A
B
31
I
II
I
II
I
II
A
B
23
LOW TIDE
M
ID
T
ID
E
M
ID
TI
D
E
HIGH TIDE
15
45
30
60
1
I
II
I
II
I
II
I
II
I
II
A
B
I
II
I
II
I
II
I
I
I
II
I
II
A
B
I
II
III
I
III
I
II
III
I
I
II
III
I
II
III
A
B
I
I
A
B
I
II
III
I
II
I
II
I
II
I
II
23
LOW TIDE
M
ID
T
ID
E
M
ID
TI
D
E
HIGH TIDE
15
45
30
60
A
B
User’s Manual English
RONDA startech – Movement Cal. 4310.D
You have decided to buy a watch, which was assembled by a
watchmaker using a Ronda movement. Please note that no watch-
es are produced or distributed under the Ronda brand.
In case of repairs, guarantee claims and questions concerning
the functioning of a watch, purchasers and consumers should
contact their retailer or the watch manufacturer, for which
the relevant information can be found in the sales or guarantee
documentation provided with the watch.
Description of the display and control buttons
Display elements
Control buttons
01
04
05
02
03
11 / 2021
Battery type: 395 / SR927SW
Accuracy: +20 / -10 seconds per month
Please note:
The Tide function is set and controlled by either push button A or B (depending on
which one is available on the watch.)
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.
Please note:
During the date changing phase between
approx. 9 PM and midnight; the date must
be set to the date of the following day.
Please note:
The Tide hand steps forward every 12 minutes 24.4 seconds, one full turn takes
12 hours, 24 minutes and 24 seconds (one high tide and one low tide).
Please be aware that the Tide state differs from location to location. Changing your
location may require an adjustment of the Tide state.
After inserting the battery, the first pulse for the Tide hand occurs after 60 seconds.
Next pulses follow at the interval of 12 minutes, 24.4 seconds.
Adjusting the Tide state by the pusher has no effect to the interval of the motor
pulses, nor will the Tide function be re-initialized.
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.
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.
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.
How to set the actual
Tide state
Set the actual time.
Find the current Tide state for your
actual location from a trusted data
source, website or tide guide.
Calculate the Tide height for the actual
time from your Tide chart. Generally,
Tide extremes are approx. 6 hours apart
(e.g. if your chart says that HIGH TIDE
is 3 hours from your set local time, set
your watch to – MID TIDE, rising).
Setting the date/time
following a battery change
Example:
– Date / time on the watch:
/ 1:25 AM
– Present date / time:
/ 8:32 PM
Pull out the crown to position II
(the watch continues to run).
Turn the crown until yesterday’s date
appears
.
* 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 8:32 PM appears.
Push the crown back into position I.
To activate the Tide setting mode press Pusher A or B for approx. 1 second until the
hand makes one step.
Press the pusher again to move the Tide hand forward step-by-step until the desired
Tide state is reached.
Keeping the pusher pressed the Tide hand will run continuously until the pusher is
released.
The Tide setting function is stopped after 10 seconds without actuating the pusher.
Small
Second hand
Minute hand
Hour hand
Date
Tide cycle hand
Tide cycle hand
Push button A
Crown
Push button B
