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Seiko 9R66 Instruction

Seiko 9R66 Instruction

Spring drive
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Summary of Contents for Seiko 9R66

  • Page 2: Table Of Contents

    SEIKO's more than 100 years of experience in watchmaking Grand Seiko SPRING DRIVE GMT, equipped with the caliber 9R66 movement with the and the advanced technology that SEIKO can boast to the 24-hour hand. The hour hand can be independently adjusted, offering some types of usage of the hour display, for instance, by setting the 24-hour hand to Japan time, and even if you world.
  • Page 3: How To Use The Screw Lock Type Crown

    ■HOW TO WIND THE MAINSPRING ●How to use the screw lock type crown This watch is a self-winding watch equipped with a manual winding mechanism. When How to unlock the screw lock type crown How to lock the screw lock type crown the watch is worn on the wrist, the motion of the wearer's arm winds the mainspring of the watch.
  • Page 4: Tips For More Accurate Time Setting

    ●Tips for more accurate time setting ●How to set the calendar Keep in mind the following points in order to set the time more accurately. Two full rotations of the hour hand will change the date for one day. The date advances one day by turning the hour hand two full rotations clockwise (for 1.
  • Page 5: Selectable Display Mode

    ■REMARKS ON REPLACEMENT PARTS Your Grand Seiko watch was strictly checked and completely adjusted at SEIKO makes it policy to usually keep a stock of spare parts for Grand Seiko watches for 10 years. In principle, your watch can be reconditioned the factory to ensure its high accuracy.
  • Page 6: To Preserve The Quality Of Your Watch

    ●Magnetic resistance ●Magnetized items that may affect watches Grand Seiko Spring Drive conforms to the Magnetic Resistance Standard ※ of JIS Class 1. Examples of common items that generate a magnetic field 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.
  • Page 7: Troubleshooting

    ■TROUBLESHOOTING Trouble Possible cause Solution The watch stops operating. Wind the mainspring and reset the time. While you are wearing the watch or when you take it off, check the re- The power supplied by the mainspring has been consumed. (The chronograph hands do not move.) maining power shown by the power reserve indicator and wind the mainspring if necessary.

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Spring drive 9r66