Seiko Spring Drive Chronograph 9R86, Instruction

Page: 12 / 13

90 91
WATER RESISTANCE
・ Check the dial or case back of your watch for the water resistant quality, and then see the
table below.
・ Do not turn or pull out the crown when the watch is wet, as water may get inside the watch.
Designed and
manufactured to withstand
accidental contact with
water such as splashes
and rain.
Suitable for shallow
diving without a heavy
breathingapparatus.
Genuine diving
using heliumgas.
Suitable for swimming, yachting
and other aquatic sports as wellas
for works closely associated with
water such as kitchen work,
watening and fishing.
Condition
of use
Degree
of water
resistance
No water resistance
Water resistance
（3 bar）
Water resistance
（5 bar）
Water resistance
（10 bar）
Water resistance
（20 bar）
Indication for water
resistance
a: Indication on the dial
b: Indication on the
case back
WATER RESIST or
WATER RESIST 5 BAR
No indication, or
WATER RESIST 20 BAR
WATER RESIST 20 BAR
No indication, or
WATER RESIST 10 BAR
WATER RESIST 10 BAR
No indication
No indication
No indication
WATER RESIST
No indication
× × × × ×
◯ × × × ×
◯ ◯ × × ×
◯ ◯ ◯ × ×
◯ ◯ ◯ × ×
a
b
a
b
a
b
a
b
a
b
Genuine
diving using
scuba.
CAUTION
The case back shows the performance, caliber/case number of your watch
<Regular case back>
<See-through case back>
※ The above figures are examples. Both of them may be different from the figure on
the case back of your watch.
Caliber and Case
Number
The number to
identify the type
of your watch
Water resis-
tance
refer to Page
90.
Magnetic resis-
tance refer
to Page 92.
92 93
Grand Seiko Spring Drive conforms to the Magnetic Resistance Standard ※ of JIS Class 1.
The watch has magnetic resistance to maintain performance in most cases even where it is
brought close to (at least 5cm spaced from) equipment generating a magnetic field in normal
life. However, the movement part is magnetized when it encounters a strong magnetic field,
thereby accuracy may go out of order. Pay attention so as not to bring the instrument close
to equipment (health appliances, speakers, and mobile phones using a magnet) generating a
strong magnetic field within 5cm.
If the accuracy exceeds the accuracy target range ( ± 15 seconds/month) during normal
usage due to magnetization, removal of magnetism and accuracy readjustment works are
charged regardless of the guarantee period.
●MAGNETIC RESISTANCE
Examples of common items that generate a magnetic field
●Magnetized items that may affect watches
Speaker of audio instruments, radios, ear-
phones, mobile phone
Magnetic clips Magnetic accessories
Magnetic health equipment (such
as magnetic plasters, magnetic pil-
lows, magnetic back belts etc.)
Magnetic door seal of
refrigerator or furniture Magnetic buckle of handbags or purses
Classification of
JIS antimagnetic
watches
Certified level
of magnetic re-
sistance
Indication of
antimagnetism on
the case back
Antimagnetic quality
Class 1 4800A/m
The watch has magnetic resistance to
maintain performance in most cases
where it is brought close to (at least
5cm spaced from) equipment generating
a magnetic field in normal life.