IWC Schaffhausen 3777 User manual

06.01.2021 manual
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PRINT
INSTRUCTION MANUAL FOR REFERENCE: 3777
A .Hour hand
B .Minute hand
C .Seconds hand
D .Chronograph seconds hand
E .Minute counter
F .Hour counter
G .Day display
H .Date display
J .Start/stop push-button
K .Reset push-button
Crown
X .Normal position (screwed in)
0 .Winding position
1 .Date and day setting
2 .Time setting
SELECT LANGUAGE
INSTRUCTION MANUAL FOR
REFERENCE: 3777 
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HOW TO CORRECTLY WIND YOUR AUTOMATIC WATCH
How to correctly wind your automatic watchHow to correctly wind your automatic watch
FUNCTIONS OF THE CROWN
NORMAL POSITION
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When wearing the watch, the screw-in crown should be in position X. This prevents water from seeping into the
case and protects the crown system from damage. To release the crown, unscrew it by turning it in an
anticlockwise direction, where, thanks to the tension in the spring, it automatically assumes position 0, the winding
position. By depressing the crown in position X and turning it in a clockwise direction at the same time, it is
screwed down firmly again and secured.
WINDING POSITION
With the crown in the winding position (position 0), you can wind the movement by hand. Around 10 to 20
revolutions of the crown in the winding direction are enough to start the movement. Once fully wound, the watch’s
maximum running time will be available, ensuring the precision and maintaining the movement’s rate even after
taking off the watch and up to a few hours before the power reserve is depleted.
DATE AND DAY SETTING
You should not use the rapid-advance function between 9 p.m. and 3 a.m. because the movement automatically
advances the date during this period and this could damage the switching mechanism.
If a month has fewer than 31 days, you will need to set the date manually to the first day of the following month.
Pull the crown out to position 1. In this position, you can advance the date by 1 day at a time using the direct
advance by turning the crown slowly but continuously to the right.
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By turning the crown to the left in position 1, you can set the day. In this position, the day of the week can be
advanced by 1 day at a time using the direct advance by turning the crown slowly but continuously to the left.
HOW TO SET THE DATE ON YOUR WATCH
How to set the date on your watchHow to set the date on your watch
TIME SETTING
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TIME SETTING
Before pulling the crown out to its limit to set the time, you should ensure that the watch still has a few hours’
power reserve. Otherwise, the crown should be pushed into position 0, the winding position, and the watch should
be wound.
For watches with a date display, there is a middle position for the crown. By pulling the crown out to its limit,
position 1, used for setting the date, will be skipped and the crown will be in position 2.
If the crown is completely pulled out, the movement will be automatically stopped and the time can be set by
turning the crown.
To start the seconds hand, push in the crown to position 0.
By depressing the crown in position X and turning it to the right at the same time, it is screwed down firmly again
and secured.
READING THE TIME IN THE DARK
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All luminescent elements on hands, dial and external rotating bezel are made from non-ionizing materials.
Both the dial and the hour and minute hands of your watch have luminescent elements that allow you to read the
time effortlessly even in total darkness.
READING THE CHRONOGRAPH
Chronograph seconds hand: The scale for the central chronograph seconds hand runs around the edge of the dial.
Minute counter: The 30-minute scale with a slow jumping hand is situated on the subdial at 12 o’clock. This hand
makes 2 complete revolutions in 1 hour.
Hour counter: The 12-hour scale with short lines for the 30-minute indication and with a continuous hand is
situated on the subdial at 6 o’clock.
USING THE CHRONOGRAPH
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Start: To start the chronograph, press the start/stop push-button.
Stop: To stop the running chronograph, press the start/stop push-button. Both seconds hands stop
simultaneously.
Reset: Press the reset/flyback push-button fully, as far as it will go. This will reset all the chronograph hands to
zero. The separately stopped split-seconds hand is not automatically reset, but must be reset by pressing the split-
seconds-hand button again.
Aggregate timing: You can add the recorded times together by pressing the start/stop push-button again after the
first measurement instead of the reset push-button.
INFORMATION ABOUT MAGNETIC FIELDS
Extremely strong permanent magnets are increasingly found in everyday objects and are an integral part of items
such as fasteners on handbags, jewellery cases and cupboards, headphones and magnetic toys. The magnetic
fields produced by such permanent magnets can negatively influence the precision of mechanical watches.
Mechanical watches should be kept away from such magnetic fields.
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However, should there be a sudden change in the precision of your timepiece despite your having taken
precautions, please contact an authorized IWC Official Agent or an IWC service centre so that your watch can be
demagnetized and restored by a specialist.
WATER-RESISTANCE
The water-resistance of IWC watches is stated in bar, not metres (see engraved detail on the watch with the fish
symbol, BAR and a number). The water-resistance of your IWC watch depends on your watch and your lifestyle.
Complete water-resistance cannot be guaranteed when diving. If your watch has a strap made of leather, textile or
rubber with a leather or textile inlay, make sure that the high-quality strap does not come into contact with water,
oily substances, solvents, cleaning agents or cosmetic products. This way you can prevent discolouration and
premature ageing of the material.
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SERVICING YOUR WATCH
The optimal service cycle for your IWC timepiece is exclusive to your watch and unique lifestyle. The necessary
interval between services will be determined by your individual wearing habits – such as the frequency of wear, the
environment(s) you live in and the intensity of physical activity you engage in. Your watch is a finely tuned
mechanical instrument. The more carefully you handle your watch, the longer it will continue to function flawlessly.
We simply recommend that you continue wearing your watch for as long as you please and to only entrust it for a
service if you notice a deviation from the regular performance, function or timekeeping. In this case, we will be
happy to return your watch to its original performance level as part of servicing.
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CASE MATERIALS
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