EPOS ETA 7750 Valjoux User manual
MANUAL
Chronographs
33
We would like to congratulate you on having purchased
this extraordinary EPOS timepiece, which is an outstan-
ding product of Swiss watchmaking. Your EPOS watch
was produced and tested under strict quality controls in
our Swiss atelier.
Practical advices
Models with automatic movements wind up through nor-
mal motions of the wrist. Therefore, manual winding
is only necessary before first commissioning or when the
timepiece hasn’t been worn for a longer period.
To guarantee the expected precision, you should note that
this delicate and highly complex mechanism needs special
care. The timepiece needs to be serviced every 4 to 5 ye-
ars.
All EPOS timepieces are water resistant, but we recom-
mend checking the water resistance at your local jeweler
yearly.
ENDECN
44
Models with screw-in crown
Models with screw-in crowns guarantee additional tight-
ness. To adjust the time and date or to wind up the time-
piece, the crown needs to be unscrewed anti-clockwise.
After that the crown can be used to wind-up or hands can
be set in different positions. Important: After every action,
the crown needs to be screwed back in clockwise, to gua-
rantee the timepieces’ tightness. Be careful not to tilt the
crown, as it could damage the thread.
Impact resistance
EPOS watches have a state-of-the-art impact resistance.
Nevertheless, you should not expose the watch to hard
impacts, to guarantee the proper function. Particularly
violent shocks against the crown could affect the water
resistance.
Front crystal
All watches are equipped with a high-quality sapphire front
crystal. This glass consists of synthetic corundum and
has a Moh‘s hardness of 9, which is only surpassed by
diamonds. It is fully transparent, scratch resistant and
almost unbreakable. Depending on the model, the glass
has an antireflective coating on the inside.
55
Water resistance
A watch may be called water resistant if it is protected
against splashing water, sweat and rain and will survive
thirty minutes under one meter of water. These require-
ments are met by all watches with the indication «water
resistant» 3 ATM or higher. As the water pressure and
temperatures may vary while swimming or diving, these
watches are water resistant but may not be suitable for
such activities.
Only with a water resistance of 5 ATM or higher (for ex-
ample 5, 10 or 20 ATM) watches are resistant against
immersing and intense moves under water.
To be suitable for swimming, a watch needs a water
resistance of at least 5 ATM (50 meters).
The level of water resistance can change because of
aging, abrasion or damage. We recommend checking
the water resistance at your local jeweler yearly. The
more and regularly a watch is maintained, the better is
its tightness.
We wish you much pleasure and satisfaction with your
EPOS watch.
ENDECN
66
Chronograph functions
The following chronographs allow to measure time up to
a duration of 12 hours.
The upper pusher starts the stop watch mechanism.
With this pusher, it is possible to interrupt the stop watch
procedure any number of times; simply press the pusher
a second time to continue the stop watch mechanism.
The measured time is displayed by the stop watch hand
(1/5 seconds) and the small subsidiary dials (minutes
and hours).
The bottom pusher sets the mechanism back to zero at
the end of the measurement.
Make sure that the push pieces may not be actuated
when the watch is immersed in water or still wet.
ETA 7750 Valjoux
1 Minute hand
2 Second counter
3 Minute counter
4 Hour hand
5 Second hand
6 Hour counter
7 Week day
8 Date
9 Start/Stop Chronograph
10 Zero position Chronograph
Crown A: Wind
Crown B: Quick adjustment of the date indication (turn clockwise)
and week day indication (turn anti-clockwise)
Crown C: Hands adjustment
60
R
E
M
Y
H
C
A
T
T
E
65
72
80
90
102
120
144
180
240
9
10
9
30
31
9
2
1
4
3
6
5
8
7
28
29
24
10
11
15
13
14
12
19
17
18
16
23
21
22
20
27
25
26
10
15
20
11
12
13
3
6
5
20
52
3
6
9
12
15
18
21 24 A B C
AB C
8
2
31
4
5
6 7
1
2
3
4
5
6
789
10
Make sure that the push pieces
(9 and 10) may not be actuated
when the watch is immersed in wa-
ter or still wet.
77
ENDECN
ETA 7751 Valjoux
1 Month indication
2 Minute counter
3 Week day indication
4 Hour hand
5 Second hand / 24h indication
6 Second counter
7 Hour counter
8 Moon phase
9 Date
10 Minute hand
11 Start/Stop Chronograph
12 Zero position Chronograph
13 Quick adjustment of the week day indication
Crown A: Wind
Crown B: Quick adjustment of the moon phase (turn clockwise)
and date and month indication (turn anti-clockwise)
Crown C: Hands adjustment
Week day adjustment
is not possible between
9.30 pm and 12 pm.
Make sure that the push
pieces (11,12,13) may
not be actuated when
the watch is immersed
in water or still wet.
60
R
E
M
Y
H
C
A
T
T
E
65
72
80
90
102
120
144
180
240
9
10
9
30
31
9
2
1
4
3
6
5
8
7
28
29
24
10
11
15
13
14
12
19
17
18
16
23
21
22
20
27
25
26
10
15
20
11
12
13
3
6
5
20
52
3
6
9
12
15
18
21 24 A B
CAB C
8
2
31
4
5
6 7
1
2
3
4
5
6
78
9
10
88
ETA 2892-A2/DD4500 Big Date
1 Big date
2 Minute counter
3 Hour counter
4 Second hand
5 Start Chronograph
6 Stop Chronograph
7 Zero position Chronograph
8 Wind
9 Quick adjustment of the date indication (turn anti-clockwise)
10 Hands adjustment
Make sure that the push pieces (5 and 7) may not be actuated when the
watch is immersed in water or still wet.
B
AC
22 4
7
1
2
3
30
4
3
2
1
5
6
8 9 10
12
3
6
9
30
5
10
15
20
25 10
60
50
2040
30
7
99
ENDECN
ETA 2824/DD2040
3 0
3
2
1
4
5
7 8 9
30
5
10
15
20
25 10
60
50
2040
30
6
1 Date
2 Minute counter
3 Second hand
4 Start Chronograph
5 Stop Chronograph
6 Zero position Chronograph
7 Wind
8 Quick adjustment of the date indication (turn clockwise)
9 Hands adjustment
Make sure that the push pieces (4 and 6) may not be actuated when the
watch is immersed in water or still wet.
1010
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3
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