Seiko 8J55 Operating Instructions Manual Download Page 5

6

7

English

Hour

 hand

Second

 hand

Crown

First click position 

(time setting)

Minute

 hand

Hour

 hand

Second

 hand

Crown

Minute

 hand

Second click position 

(time setting)

First click position 

(time difference adjustment)

9F61, 4J51

8J55

HOW TO USE

Crown

There are two types of crowns; a normal crown and a screw-lock crown.

Screw-lock type crown

The screw-lock type crown features a mechanism that can securely lock the 
crown when they are not being operated in order to prevent any operational errors 
and to improve its water resistant property.

○ 

 It is necessary to unlock the screw-lock type crown before operating it.

○ 

Once you have finished operating the crown, make sure to relock it.

  By locking the crown by screw, a 

s c re w - l o c k   t y p e   c ro w n   c a n 
prevent malfunction and increase 
water resistance.

  Be careful not to screw the crown 

in by force as it may damage the 
slots of the crown.

  When locking the crown, turn it slowly with care, ensuring that the screw is properly engaged. 

Be careful not to push it in forcefully, as doing so may damage the screw hole in the case.

The 

crown 

turns.

The crown 

does not 

turn. 

W h i l e 

p r e s s i n g 

the crown 

i n ,   t u r n 

i t   i n   t h e 

d i r e c t i o n 

indicated by 

the arrow.

Normal crown

Screw-lock type crown

Pull out the crown and 

operate it.

Unlock the crown 
before operating it.

After operating the 
crown, lock it.

Screw

While pressing the 
crown

Unscrew

[To unlock the crown]
Turn the crown counterclockwise 
(downward)  to  unscrew  it.  Now  the 
crown can be operated.

[To lock the crown]
Turn  the  crown  clockwise  (upward) 
while gently pressing it in toward the 
watch body until it stops.

After operating the 

crown, lock it.

Screw

While pressing the 

crown in

Unlock the crown 

before operating it.

Unscrew

Crown locked

Crown 
unlocked

  It   c a n n o t 

be turned 
any further.

Summary of Contents for 8J55

Page 1: ...www grand seiko com 9F 8J 4J JSYGSA01 1303 QUARTZ...

Page 2: ...the film and may cause rust The battery in your watch at the time of purchase was inserted in the watch at the factory for performance checks Battery replacement is at cost even within the guarantee p...

Page 3: ...allergist Other cautions Replacement of the metal band requires professional knowledge and skill Please ask the retailer from whom the watch was purchased for replacement of the metal band as there is...

Page 4: ...z caliber number starts with 8J or 4J How to check the caliber number The four digit model number on the case back is the caliber number Model Number Regular case back 9F83 00A0 9F83 Caliber Number Ex...

Page 5: ...careful not to screw the crown in by force as it may damage the slots of the crown When locking the crown turn it slowly with care ensuring that the screw is properly engaged Be careful not to push it...

Page 6: ...al position in accordance with a time signal The watch immediately starts moving CAUTION You may not be able to set the date and or day when the time on your watch is between midnight and 1 00 a m due...

Page 7: ...ving CAUTION You may not be able to set the date when the time on your watch is between midnight and 1 00 a m due to the mechanism of the watch This is not a malfunction Please refrain from setting th...

Page 8: ...t the crown to the second click when the second hand is at the 12 o clock position The second hand stops on the spot Turn the crown to advance the hands until the desired date and day appear Turn the...

Page 9: ...ments How to set the time After adjusting the hour hand position pull out the crown to the second click when the second hand is at the 12 o clock position The second hand stops on the spot Turn the cr...

Page 10: ...y disassembly and cleaning overhaul make sure that the gasket and push pin are also replaced with new ones When your watch is inspected and adjusted by disassembly and cleaning overhauled the movement...

Page 11: ...d the watch case may fall off the bracelet or the clasp may not open If a pin is poking out personal injury may result In such a case refrain from using the watch and request repair Leather band A lea...

Page 12: ...or stop operating Cellular phone speaker Bag with magnet buckle AC adapter AC powered shaver Magnetic cooking device Portable radio speaker Magnetic necklace Magnetic health pillow Indication on the...

Page 13: ...1 000 lux Lighting apparatus 40 watt daylight fluorescent light Distance to the watch 1 m 1 000 lux Distance to the watch 3 m 500 lux average room luminance Distance to the watch 4 m 250 lux Troubles...

Page 14: ...m Step motor IC Integrated Circuit C MOS IC 1 piece The specifications are subject to change without prior notice due to product improvement SPECIFICATIONS BATTERY MOVEMENT INTERCALARY SECOND LEAP SEC...

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