MODEL SERIES 917
CONTENTS
SINN SPEZIALUHREN ZU FRANKFURT AM MAIN
PREFACE BY PETER GÖBEL
THE "CLASSIC CAR RALLY" ADVENTURE
MODEL SERIES 917
INSTRUCTIONS FOR USE
Ar-DEHUMIDIFYING TECHNOLOGY
TECHNICAL DETAILS
SERVICE
6 – 9
10 – 11
12 – 19
20 – 21
22 – 27
28 – 29
30 – 31
32 – 33
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DEAR CUSTOMER,
We know from numerous
conversations that the people
who buy our watches do so out of
conviction. This includes people with
a pronounced affinity to technology
who are fascinated, for example,
by the solutions we have devised
for magnetic field protection and
scratch-resistance. Some of our
customers, such as divers, pilots or
the German GSG 9 special police
unit, need to rely on their watch in
their respective careers because
their life depends on it.
They all swear by the high
performance, resilience and
durability, as well as the quality
and precision of these timepieces.
The water and pressure-resistance
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data are reviewed and authenticated at regular intervals, as is the case
with our diving watches, for instance. We, for our part, give absolute priority
to functionality, which ultimately determines the design. Our watches only
feature technological attributes that really make sense. All the while, we
remain committed to our guiding principle that products have to speak for
themselves.
The basic question that we ask ourselves is: which innovative technologies
and materials can be employed for our craft and provide solutions for
rendering our watches even more practical for everyday use? It is often worth
indulging in a little lateral thinking to see what is going on in other industrial
sectors or fields of science. We repeatedly go to the limits of physical
resources to upgrade our watches — with the aim of making what's good
even better. Most of our best developments are yet to come!
I am delighted that you have decided to buy a SINN timepiece and hope
that it will continue to give you pleasure for many years to come.
Yours sincerely, Lothar Schmidt
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It was back in 1961 that the pilot and blind-flying instructor Helmut Sinn
founded the company. Since then, we have been committed to producing
high-specification mechanical watches. In 1994, the graduate engineer
Lothar Schmidt took control. This marked the beginning of a new era for the
SINN brand, because the new owner took a decisive step towards more
innovation. Under his leadership, new technologies and materials were
introduced, thus providing the crucial incentives for our company's evolution
and gradual emergence as an insiders' tip for lovers of fine watches. Today,
our name stands for technical innovations, much to the delight of both the
trade and our customers alike.
SINN SPEZIALUHREN ZU FRANKFURT AM MAIN
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All developments thoroughly tested
Take, for instance, the absolutely condensationfree and anti-reflective diving watch made of
stainless steel — designed with HYDRO Technology.
Other examples include a chronometer
chronograph fashioned from a 22-carat gold
alloy, which is as hard as stainless steel, and a
chronometer whose resistance to magnetic
interference is 20 times greater than normal. Or
those models filled with protective gas and
featuring an integrated dehumidifying capsule to
counteract moisture infiltration and the ageing of
the watch movement. This list would not be
complete without mentioning the development of
so-called Einsatzzeitmesser (EZM) watches for
special police units and border guards, and the
lubrication and tolerance technology that allows
mechanical watches to perform at temperatures
ranging from –45 °C to +80 °C. The 303 KRISTALL
model passed the fire and ice test during the 1998
Yukon Quest sledge dog race that crosses the icy
wilderness of Canada and Alaska, where
temperatures are known to plunge to –40 °C. The
watch was strapped to the arm of some of the
participants on top of their protective clothing.
This was followed in 1999 by the 203 ARKTIS model.
This diving chronograph passed its field test in the
North Polar Sea with flying colours.
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Innovations and authentications
One of our most important inventions is the oil-free DIAPAL Technology, based
on low-friction materials for the key functional parts of the watch, enabling
them to run without lubrication. This technology was first employed in our
jubilee model, the palladium alloy/white gold Frankfurt Financial District
Watch. TEGIMENT Technology, with which SINN achieves a virtually scratch
resistance surface hardness up to 1500 HV (Vickers hardness) for its stainless
steel watches, represents another milestone. Other innovations include diving
watches made from original submarine steel, as used in the construction
of the outer shell of German class 212 submarines. Germanischer Lloyd,
the world's biggest classification society providing marine safety services,
has been testing the aspects of water and pressure resistance since 2005.
Moreover, an official authentication process conducted by Germanischer
Lloyd in 2006, SINN diving watches as diving gear for the very first time in
the watch making sector and tested them in keeping with European diving
equipment standards. The result: these timepieces passed the temperature
resistance and functionality tests with a sensational success. All test results
are authenticated with signature and seal.
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Ongoing advancement in technology and quality
Our top priority is always to develop watches which offer superior
performance — both in daily and in professional use. Which is why our
engineers are working continually to identify which innovative methods,
materials and technologies are best suited for optimising our watches.
Each new development first has to undergo rigorous practical tests before
being incorporated. And no watch leaves our workshops before it has
been subjected to thorough checking and fine adjustment by our master
watchmakers.
Workshop modifications and hand-engraving
From the robust case and the polished crystal
through to elaborate refinements: we make sure
that each and every detail in our watches is fit
for purpose. The same applies to our workshop
modifications. Only the perfect interaction of all
components and technologies ensures that our
watches can meets all its design specifications
in full. For example: the SZ02 calibre of our U1000
diving chronograph. The 60 minute scale of
the stop-minute counter is much simpler and
more intuitive to read than the 30 minute scale
commonly found in other watches. The hand
engraving represents a highly personal form
of refinement. If required, our specially trained
master engraver can etch a name, initials,
monograms or symbols onto the rotor, movement
bridge and case back.
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PREFACE BY PETER GÖBEL
German Rally Champion 2002, 2004, 2005 and 2006
Sometimes, meeting someone for coffee can be a life-changing event.
In 1987, during the Hunsrück Rally, I invited world champion Walter Röhrl to
join me for a cup of coffee and a piece of cake – and he accepted. Five
years later, the two of us paired up for my very first rally. Since then, I’ve been
having the time of my life – since taking up a sport in which time plays such
an important role. Whether you’re dealing with a countdown or a time trial,
one thing is always the same: hours, minutes and seconds mean the difference between victory and being an also-ran.
Now, after 18 years in rally racing and more than 250 events all over the world
– from small-scale regularity tests to the legendary Dakar Rally – I have seen
again and again that a stopwatch is the most important tool a co-driver and
navigator can have. And if you are fortunate enough to own a chronograph
that was designed and engineered with rally racing in mind, “taking time” is
even more fun, and makes the navigator’s task much easier.
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The Rallychronograph 917 from SINN
is a special treat for me, particularly
because my own experience and ideas
played a part in its development.
As a rally navigator I am especially
pleased that the SINN company from
Frankfurt am Main has incorporated
some of the specific, everyday requirements of one of the most fascinating
sports disciplines in the world.
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From brand-new rallies like the Hamburg-Berlin Klassik, via popular courses
like the Saxony Classic and the Silvretta Classic, to the legendary Mille
Miglia route – classic car rallies are gaining more and more fans. No matter
which rally you participate in, they all have one thing in common: the thrill
of a sporting challenge on fascinating routes. And everyone involved enjoys
taking advantage of personal experience and superior technology to
achieve the best possible results for the team and vehicle. That goes for
both road rallies and complex time trials.
THE "CLASSIC CAR RALLY" ADVENTURE
In road rallies, the team faces two primary tasks: orientation (for example with
the help of pacenotes and the information in the road book) and time trials.
In vintage car rallies these are often regularity trials which require a given
stage of the route to be driven in a specified length of time. In this case,
a precise stopwatch is indispensable. In the so-called “hourglass category”
only mechanical watches and chronographs are allowed – in homage to the
era in which the vehicles themselves were built. The 917 Rally Chronograph
was specially developed to meet the exacting requirements of classic rallies.
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Always in demand: A good sense of direction
Pacenotes are symbols which are used to describe the rally course. There
are different versions, with some remotely resembling Chinese pictograms.
Pacenotes can be used with maps or “au natural” – which means the route
includes roads that are not indicated on conventional maps.
The pictograms show the course of the route in the direction of travel.
A dot indicates the direction the driver is coming from. One version is called
the “mileage road book”, which numbers the kilometers consecutively.
In this case, it is recommended to set the counter to zero at the starting
line of the race.
Example of pacenotes
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Mileage road book
16
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Precision work: The time trial
Regularity rallies, also called time-speed-distance rallies (TSD), are a type of
time trial. They are indicated by a yellow road sign (TSD 1/100). At the signpost, an official gives the drivers a hand signal telling them when to start.
Time is recorded beginning after a few meters, coinciding with a red flag
signal when the vehicles pass a photoelectric sensor or pressure hose sensor.
The co-driver presses the stopwatch at this starting line and begins measuring
the target time. The team should continue driving once the TSD has been
completed so as not to hinder the vehicles behind it.
Lichtschranke = Photoelectric sensor
Schlauch = Pressure hose sensor
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Example 1
Example 2
Time Trial
Lichtschranke = Photoelectric sensor
Schlauch = Pressure hose sensor
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Example 1: Each team, naturally, has its own preferences and methods for
stopping the times during time trials. Proposal for the time trial shown left: use
the chronograph (stop) function in combination with the backwards counting
bezel. Before starting, set 17 on the bezel to 12 o’clock. Start the stopwatch
at the precise point of passing photoelectric sensor A. You can then count
down the time to sensor AB for the driver. On driving through sensor AB, trip
the stopwatch to zero and then restart it immediately. Now set 45 on the bezel
to 12 o’clock; you can then let the driver know precisely how much time he
has left until the end of the special stage.
Example 2: To make reading off the time intervals as clear as possible, the Rally
Chronograph 917 is equipped with a backwards counting bezel in which the
all-important last few seconds are highlighted in red. Suggestion for the time
trial shown left: Before starting, set 9 on the bezel to 12 o’clock. Start the stopwatch at the precise point of driving over the pressure hose sensor. You can
now read off the precise time remaining to photoelectric sensor A on the bezel
and count this down for the driver. Without stopping the stopwatch, set 27 on
the bezel to 12 o’clock after passing photoelectric sensor A; after passing
sensor B set 12 to 12 o’clock (the second hand reaches the zero mark on the
bezel after 1:12 minutes) and set 46 to 12 o’clock after passing C (the second
hand reaches the zero mark after 106 seconds = 1:46 minutes). You can then
count down the precise amount of time remaining for the driver.
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On the road for 5 hours. Having successfully negotiated the winding
pass roads, it’s now time for the next time trial. In a rally, it’s all down to
maximum precision and practicality. And this is where the 917 series scores
highly. Because, besides technical refinement, the 917 Rally Chronograph
has the resilience of a high-grade mechanical watch: it is shock resistant
and anti-magnetic, has a solid stainless steel case and offers a degree of
condensation resistance which can only be provided by our Ar-Dehumidi-
fying Technology. Giving it the best possible qualification for rallies and
for everyday use.
MODEL SERIES 917
Special feature: the interior backwards counting bezel. This permits precision
setting and easy reading of exact target times. Red numerals for the last
15 seconds raise attention levels in the critical time zone. All information can
be read off at a glance from the classic dial with anti-reflective sapphire
crystal glass. And the winding reserve display in the form of a petrol tank
indicator means that you can be sure that your chronograph will be fully
operational up to the finishing line and beyond.
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INSTRUCTIONS FOR USE
Model 917 GR
Second hand
Hour hand
Power reserve
indicator
Date display
Stopwatch hour hand Minute hand
Stopwatch second hand
1 0
23
Crown position
Stopwatch minute hand
Crown for
Countdown bezel
Countdown bezel, easy to read with
to-the-second precision in time trials
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To wind the watch (crown position 1)
The crown is screwable (crown position 0). To loosen the crown, turn it
counter-clockwise. The movement is wound by turning the crown clockwise.
About 40 winds of the crown are generally enough to ensure its reliable
functioning. Under normal circumstances, simply wearing the watch every
day should suffice to keep the self-winding mechanism wound. The power
reserve allows you to take off your watch overnight without having to rewind
it.
Time adjustment (crown position 3)
In crown position 3, the motion is paused. This helps you to set the watch
precisely. For accurate time setting, we recommend moving the hand past
the desired minute marker and then adjusting it counter-clockwise. Please
make sure that the date changes at midnight and not at midday when
adjusting the time. Move the hand forward until the date changes before you
attempt to set the time. The movement restarts as soon as you leave crown
position 3.
Quickset date adjustment (crown position 2)
Do not use this function between 9 p.m. and 3 a.m. Set the crown in the
position 2 and turn it clockwise until the correct date appears in the date
display window. Please do not use the date setting function between 9 p.m.
and 3 a.m. Between these times, the gear wheels used for changing the date
are engaged, and the movement could become damaged.
Please take care to fasten the crown after making adjustments.
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INSTRUCTIONS FOR USE
To wind the watch (crown position 1)
The crown is screwable (crown position 0). To loosen the crown, turn it counterclockwise. The movement is wound by turning the crown clockwise. About
40 winds of the crown are generally enough to ensure its reliable functioning.
Under normal circumstances, simply wearing the watch every day should
suffice to keep the self-winding mechanism wound. The power reserve allows
you to take off your watch overnight without having to rewind it.
Model 917
Date and
weekday
display
Second hand
1 0
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Crown position
Stopwatch second hand
Stopwatch minute hand
Hour hand
Stopwatch hour hand
Minute hand
Crown for
Countdown bezel
Countdown bezel,
easy to read with
to-the-second precision
in time trials
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Time adjustment (crown position 3)
In crown position 3, the motion is paused. This helps you to set the watch
precisely. For accurate time setting, we recommend moving the hand past
the desired minute marker and then adjusting it counter-clockwise. Please
make sure that the date changes at midnight and not at midday when
adjusting the time. Move the hand forward until the date changes before you
attempt to set the time. The movement restarts as soon as you leave crown
position 3.
Quickset date and day of the week adjustment of the week (crown position 2)
Do not use this function between 9 p.m. and 3 a.m. Crown position 2 can
be used to change the date and day of the week quickly and simply. To set
the date, pull the crown to the second position and turn it clockwise until the
current date appears in the display window. To set the day of the week, turn
the crown counter-clockwise until the desired day of the week is indicated.
Please do not use the date setting function between 9 p.m. and 3 a.m.
Between these times, the gear wheels used for changing the date are
engaged, and the movement could become damaged.
Please take care to fasten the crown after making adjustments.
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ADJUSTING THE LENGTH OF THE WATCH STRAPS
If you don't know how to shorten or lengthen the solid bracelet, please
contact your SINN dealer or the watchmakers in our customer service
department in Frankfurt am Main. Our customer service employees are also
happy to help you on the telephone.
Adjusting the length of the solid bracelet
To adjust the length of the bracelet, you will need a watchmaker's screwdriver
or the SINN watchband replacement tool kit and AN 302-42 medium-strength
threadlock adhesive.
For optimal comfort, each side of the watchband should contain the same
number of links. If you choose to remove an uneven number of links, the
upper portion of the watchband (on the 12 o'clock side) should be longer.
For example: If you want to shorten the bracelet by removing a total of three
links, you should remove two from the 6 o'clock side and just one from the
12 o'clock side. When they leave the factory, the solid bracelets have the
same number of links on the 12 o'clock side and the 6 o'clock side. If you
have requested a shorter length, please be sure to check the number of
links on each side before making any additional changes.
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1. Remove the screws on the side of the link you wish to remove,
or at the point where you wish to add a link.
2. Remove the excess link or insert the new one.
3. Before replacing the screw, add a small drop (not too much!) of the
threadlock adhesive to the screw thread.
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The colour scale for the Ar-Dehumidifying Technology: the capsule continues
to absorb moisture until the darkest colouration is reached.
Indication colours of the drying capsule
Pale blue
up to 25 %
saturation
Light blue
up to 50 %
saturation
Medium blue
up to 75 %
saturation
Dark blue
up to 100 %
saturation
Initial condition Drying capsule
saturated
u
Ar
-DEHUMIDIFYING TECHNOLOGY
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Perfect freedom from fogging
All watches in this series are water-resistant as per DIN 8310. But even with
watertight instruments, the air enclosed in the case contains water in a
gaseous state. And air can also penetrate the seals and acrylic glasses.
When the water vapour in the case condenses into liquid, the instruments
are impossible to read. To prevent this from happening, we have developed
the Ar-Dehumidifying Technology. The combination of a special drying
capsule, EDR seals (extreme diffusion reduction) and a filling of protective
gas guarantee that the crystal remains free from fogging, even in difficult
conditions.
Longer service intervals
The sophisticated Ar-Dehumidifying Technology considerably retards the
aging process of the watch's inner workings and keeps the movement
functioning properly for longer. That is why we issue a three year warranty
on all our watches featuring Ar-Dehumidifying Technology. When the drying
capsule is saturated indicated by a deep blue colour, refer to picture on the
left side), we recommend you have it exchanged so you can continue to
enjoy all the advantages of the Ar-Dehumidifying Technology (enhanced
reliability, longer maintenance intervals).
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Mechanical Movement
• Calibre Valjoux 7750
• Self-winding mechanism
• 25 bearing jewels
• 28,800 semi-oscillations per hour
• Shock resistant as per DIN 8308
• Anti-magnetic as per DIN 8309
Watch Case
• Stainless steel, polished
• Sapphire crystal glass in front,
anti-reflective on both sides
• Transparent case back made of
sapphire crystal glass,
anti-reflective on the interior
• Case back screw-fastened
• Ar-Dehumidifying Technology
• Water-resistant as per DIN 8310
• Water-resistant and pressure resistant
up to 10 bar (= 100 m underwater depth)
• Low pressure resistant
• Band lug width 22 mm
• Case diameter 44 mm
TECHNICAL DETAILS 917 GR
Functions
• Hours, minutes,
subsidiary seconds
• Chronograph
• Date display
• Power reserve indicator
• Countdown bezel, easy to read
with to-the-second precision in
time trials
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TECHNICAL DETAILS 917
Functions
• Hours, minutes,
subsidiary seconds
• Chronograph
• Date display
• Day of the week display
• Countdown bezel, easy to read
with to-the-second precision in
time trials
Mechanical Movement
• Calibre Valjoux 7750
• Self-winding mechanism
• 25 bearing jewels
• 28,800 semi-oscillations per hour
• Shock resistant as per DIN 8308
• Anti-magnetic as per DIN 8309
Watch Case
• Stainless steel, polished
• Sapphire crystal glass in front,
anti-reflective on both sides
• Transparent case back made of
sapphire crystal glass,
anti-reflective on the interior
• Case back screw-fastened
• Ar-Dehumidifying Technology
• Water-resistant as per DIN 8310
• Water-resistant and pressure resistant
up to 10 bar (= 100 m underwater depth)
• Low pressure resistant
• Band lug width 22 mm
• Case diameter 44 mm
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General advice
To preserve the water resistance for as long as possible, the
watch should be rinsed whenever it has been in contact
with seawater, chemicals, etc. If your watch is frequently
worn in/under water, we recommend having its water
resistance checked at yearly intervals.
The watch is designed to withstand high levels of
mechanical wear and tear and is shock resistant as per
DIN 8308. Nevertheless, it goes without saying that continual
mechanical stress in the form of impacts or vibration will
affect its durability. Care should therefore be taken to
protect your watch from unnecessary wear and tear. It is
only possible to judge how well the watch keeps time after it
has been in operation for approximately eight weeks, since
it takes that long for the working mechanism to become
adjusted, especially in view of the fact that everybody
has different lifestyles and habits. In the event of any
excessive deviation, please keep a day-to-day record of its
timekeeping over a period of about one week, for example.
SERVICE
Do you have any questions?
Our employees will be pleased to advise you. Simply get
in contact with us. We look forward to talking to you.
Telephone: + 49 (0) 69 / 97 84 14 - 400
Telefax: + 49 (0) 69 / 97 84 14 - 401
E-mail: kundendienst@sinn.de
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You can also find comprehensive information about SINN, our watches and technologies at www.sinn.de/en.
Sinn Spezialuhren GmbH
Kundendienst
Im Füldchen 5 –7
60489 Frankfurt am Main
Germany
Please send your watch to the following address:
• Name, address, e-mail address and fax number (where applicable) and a
daytime telephone number.
• A detailed description of the problem: Exact nature of the defect? At what
time does the problem arise? How often does the problem occur?
• Wherever possible, please state the date of purchase and your customer no.
(indicated on the invoice) or enclose a copy of the invoice.
For information about the process, please refer to the section entitled "Repairs"
in our "General Terms and Conditions of Business". You'll find our "General
Terms and Conditions of Business" on our website www.sinn.de/en. We will be
pleased to send you a copy of the "General Terms and Conditions," or you can
contact our customer service department directly. For insurance reasons, we
strongly recommend sending us any return goods by registered parcel post. As
an alternative for customers in Germany, there is also the option of a collection
service covered by transport insurance, on request. To ensure your request is
dealt with smoothly, please call our customer service department! We regret
that we are unable to accept deliveries with unpaid postage!
Should you send your watch in to customer service, we need to ensure
the process goes smoothly, the following information:
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Im Füldchen 5 –7 · 60489 Frankfurt/Main
Telefon + 49 (0) 69 - 97 84 14 - 200 · Fax -201
http://www.sinn.de · vertrieb@sinn.de
© Sinn Spezialuhren GmbH
2. Auflage / 2nd Edition
08 2011
Technische Änderungen vorbehalten.
Subject to changes technical specifications.
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