Christopher Ward C9 PULSOMETER User manual
C9 PULSOMETER LIMTED EDITION CHRONOMETER
O W N E R ’ S H A N D B O O K
1
Your Christopher Ward watch has been designed and
engineered by highly talented craftspeople to ensure
not only accurate and precise timekeeping but also
to bring a real pride of ownership that only luxury
items of the highest quality can ever hope to deliver.
You have made an investment, a good one,
and the aim of this handbook is to help you
make the most of that investment during what
I hope will be a lifetime of ownership.
Christopher Ward
TIME ON YOUR SIDE...
INTRODUCTION
CONTENTS
C9 PULSOMETER LE CHRONOMETER 2–5
TECHNICAL INFORMATION 6
HOW TO OPERATE YOUR FORUM LE 7–14
OUR WATCH CARE PROGRAMME 15
GENERAL INFORMATION 16
22
3
C9 PULSOMETER LIMITED EDITION CHRONOMETER
C9 PULSOMETER LIMITED EDITION CHRONOMETER
English physician, Sir John Floyer (1649-1734)
first introduced the practice of pulse rate
measurement and asked clockmaker Samuel
Watson to adapt a watch for this precise
purpose some 300 years before smart phones
and watches started to monitor our every
function.
It was the early 20th Century, however, before the
Pulsometer (sometimes called a Pulsograph) watch
became widely used by the medical profession
to measure a patient's heart beat rate and the C9
Pulsometer is the latest addition in the long tradition of
these timepieces.
We have chosen not to go down the chronograph route
for our first Pulsometer, instead choosing to use a COSC
certified version of the self-winding Sellita SW200-1 as the
movement, which guarantees accuracy to within -4 to
+6 seconds a day. The beautifully engineered, 40mm
C9 case, is constructed, rather aptly, of surgical grade
Whether you are a member of the medical profession,
or just think a fine mechanical watch that can help you
monitor your health is a great idea, the C9 Pulsometer
is a special watch made even more special as only
250 pieces will ever be released. It's enough to set one's
pulse racing!
The tachymeter style pulsometer scale of the dial is
calibrated for 30 heart beats and both its red colour
and the corresponding simplicity of the remainder of
the dial make for especially easy reading. The watch
has precision blued steel hour and minute hands
but it is the hacking second hand, with its caduceus
counter-balance design, that exemplifies the usual
Christopher Ward attention to the fine details. In Greek
mythology Asclepius represents medicine and healing,
but it's Hermes staff, caduceus, which has become
widely used as the symbol of medicine worldwide, and
especially in North America.
stainless steel and the SW200 movement can be seen
working through the screw-down transparent back-plate.
4
THE COSC CERTIFIED CHRONOMETER
COSC CERTIFICATION
To gain chronometer status, watchmakers
submit their Swiss movements to COSC,
an independent, non-profit making watch
accuracy verification organisation based in
Geneva, to be tested against the international
standards of ISO and DIN.
Certification follows exhaustive testing. In achieving
the coveted status of Certified Chronometer, a
movement must not only be made from the highest
quality components, but also be the object of
special care on part of the finest horologists and
technicians as it is painstakingly assembled.
Only movements which meet the precision criteria
are granted an official certificate. Each uncased
movement is individually tested for fifteen days, in
five positions, at three different temperatures.
Movements are fitted with a second hand for tests
and measurements are made daily with the aid
of cameras. Based on all of these measurements,
seven eliminatory criteria are calculated, each of
which must be met.
The exacting and rigorous nature of the COSC
certification process means that the achievement
of Certified Chronometer status is extremely rare.
In fact, of all the watches produced in Switzerland
each year, just 3% bear the coveted COSC ‘bulletin
de marche’ or certificate of watch performance.
Which is why, when you read the words ’Certified
Chronometer’ on a Swiss watch you can be
sure that the movement behind the elegant dial is
a rare example of fine Swiss watchmaking which is
accurate, precise... and extremely rare.
4
55
6
C9 PULSOMETER LIMITED EDITION CHRONOMETER
TECHNICAL INFORMATION
6
TECHNICAL INFORMATION
Diameter: 40mm
Height: 11.35 mm
Calibre: Sellita SW200-1(COSC)
Vibrations: 28.800 vph
Case: 316L stainless steel
Water resistance: 5 BAR (50 METRES)
Strap width: 20mm
Dial Colour: Optic White
FEATURES
– Swiss made
– Limited edition of 250 pieces
– 26 jewel self-winding movement
– 38 hour power reserve
– COSC certified chronometer
– Hand finished, surgical grade, stainless steel case
– One-piece dial with 30 pulse measurement scale
– Blued steel central hour and minute hands
– Caduceus counter-balance central second design
– Date calendar at 3 o'clock
– Anti-reflective sapphire crystal
– Screw-in transparent case back
– Stop-second hacking mechanism
7
HOW TO OPERATE YOUR C9 PULSOMETER LIMITED EDITION CHRONOMETER
DISPLAY AND CONTROL BUTTONS
Minute hand
Hour hand
Second hand
Crown
The C9 Pulsometer Limited Edition Chronometer has a maximum power reserve of 38 hours when fully wound.
To re-power the watch after a period of non-use, simply pull out the crown and wind in approximately 20
revolutions. Normal wearing will very quickly allow the rotor to start re-powering the watch over time after
putting it on your wrist.
8
HOW TO OPERATE YOUR C9 PULSOMETER LIMITED EDITION CHRONOMETER
SETTING THE TIME
1
2
3
• From position , pull the crown to position
and adjust the calendar display in a clockwise
direction.
• Pull the crown to position and adjust the time
setting in either a clockwise or anti-clockwise
direction.
• After adjusting to the correct time ensure that
the crown is flush with the case in order that water
resistance is maintained.
21
3
Please note: Date correction should not be carried
out between 20.00 hrs and 02.00 hrs as the watch
gearing will already be aligning itself to change the
date. The crown should always be screwed in after
adjustment, and it is best to do so from position 3 to
avoid advancing beyond the desired date.
99
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