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2L series (2L75)
4L series (4L75)
4S series (4S71・4S76・4S77・4S79)
6L series (6L75)
6S series (6S37・6S74・6S77・6S78・6S96・6S99)
68 series (6870・6890・6898・6899)
8L series (8L36・8L75)
BGJCCO1-2301

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Summary of Contents for Seiko Credor 6870

  • Page 1 2L series (2L75) 4L series (4L75) 4S series (4S71・4S76・4S77・4S79) 6L series (6L75) 6S series (6S37・6S74・6S77・6S78・6S96・6S99) 68 series (6870・6890・6898・6899) 8L series (8L36・8L75) BGJCCO1-2301...
  • Page 2 Thank you very much for choosing a CREDOR watch. Only the unique melding of traditional Japanese sensitivity and state-of- the-art technology can bring you a watch of this quality and character. Doing so is our passion. The CREDOR name is your guarantee. From the French “crête d’or”...
  • Page 3: Table Of Contents

    ■ NAMES OF THE PARTS ..................6 ○ If the pins protrude from the band. ■ HOW TO USE ..................... 12 * Immediately consult the retailer from whom the watch was purchased or SEIKO CUSTOMER • Crown ......................12 SERVICE CENTER.
  • Page 4: Performance And Type

    Immediately consult the retailer from whom the watch was purchased or SEIKO CUSTOMER SERVICE CENTER. Do not leave moisture, sweat and dirt on the Refer to the table below for the description of each degree of water resistant performance of your watch before using.
  • Page 5: Characteristics

    ■ CHARACTERISTICS 6898 Manual winding type with one of the world’s thinnest movements (1.98 mm) ○ This watch is a mechanical watch that runs by a mainspring. 1 Hour hand ○ Before using the watch, turn the crown by hand about 20 times to wind up the mainspring of the watch.
  • Page 6 2L75, 4L75, 6L75, 8L75 4S77 Automatic winding type (with manual winding function) Automatic winding type (with manual winding function) with a date display with a retrograde-type day hand, time zone adjustment, 24-hour hand and date display 1 Hour hand 1 Hour hand 2 Seconds hand 2 24-hour hand 3 Minute hand...
  • Page 7 8L36 6S78 Automatic winding type (with manual winding function) Automatic winding type (with manual winding function) with time zone adjustment, 24-hour hand and date display with a chronograph movement and date display 1 Hour hand 1 Center chronograph seconds hand 2 Seconds hand 2 Hour hand 3 Date...
  • Page 8: How To Use

    ■ HOW TO USE How to wind the mainspring Manual winding type (the procedure below is the same Crown when you wind up an automatic winding type by hand) 1 Do not pull the crown out. There are two types of crowns, the regular one and one that can be locked. (If the watch is equipped with the screw down crown, unscrew the crown before pulling it Please confirm the crown of the watch that you are using.
  • Page 9: How To Use (For Models Without A Seconds Hand)

    How to use (For models without a seconds hand) How to use (For models with a seconds hand or a small seconds hand) Models: 6870, 6890, 6899 Models: 6898, 4S71, 4S79, 6S74, 6S96, 6S99 How to set the time How to set the time 1 Make sure that the watch is operating.
  • Page 10: How To Use (For Models With The Date)

    How to use (For models with the date) 4 Pull out the crown to the second click. Pull out the crown when the Models: 2L75, 4L75, 6L75, 8L75, 6S37, 6S77, 6S78 seconds hand (or the small seconds hand) is at the 12 o’clock position. (The seconds hand or the small b CAUTION seconds hand will stop.)
  • Page 11: How To Use (For Models With The Date, Day Of The Week, And A 24-Hour Hand)

    How to use (For models with the date, day of the 5 Pull out the 2 o’clock position crown week, and a 24-hour hand) to the first click. Models: 4S76, 4S77 b CAUTION Do not adjust the date and day when the time the watch indicates between 9:30 p.m. and 2:30 a.m.
  • Page 12 Time difference adjustment function 0 Pull out the 3 o’clock position crown to the second click. Pull out the This caliber is equipped with a “time zone adjustment mechanism.” By using the 2 o’clock crown when the seconds hand is at position crown, the hour hand can be independently adjusted in one-hour increments.
  • Page 13: How To Use (For Models With The Date And A 24-Hour Hand)

    How to use (For models with the date and a 24- 5 To move on to the hour hand and hour hand) date setting, pull out the crown to the first click. Model: 8L36 How to set the time and date This watch is equipped with the date display function.
  • Page 14: Hour Hand

    How to use the 24-hour hand 3 Turn the crown to set the hour hand to indicate the time of the place where you are staying. Make sure that a.m./p.m. and date are correctly set. This watch has two different types of 24-hour hand usage. * The date is designed to work in conjunction with the movement of the hour hand, When you use as a dual time indicator, set the 24-hour and hour hands to different times.
  • Page 15: How To Use The Chronograph (6S Series)

    List of time zone differences in major regions of the world How to use the chronograph (6S series) * There are time zone differences based on time offsets from Universal Time Coordinated A chronograph is a watch that has a stopwatch function in addition to a time (UTC), which has been internationally adopted.
  • Page 16: How To Use (For Models With A Seconds Hand Or A Small Seconds Hand)

    How to use the chronograph (stopwatch) function How to use the tachymeter Press the START/STOP button to begin measuring time. The tachymeter can be used to measure average speed or productivity rate per unit time. Pressing START/STOP button repeatedly enables the chronograph to continue to count. How to measure average speed of your vehicle 1 Make sure that the mainspring is sufficiently wound and the watch is working.
  • Page 17: After-Sale Service

    Notes on guarantee and repair start the stopwatch. ○ Contact the retailer from whom the watch was purchased or SEIKO CUSTOMER SERVICE 2 When the thunder is heard, press the CENTER for repair or overhaul.
  • Page 18: Daily Care

    ○ The length adjustment service of stainless-steel band is available from the retailer from skin reactions against friction on dust or the band itself. whom the watch was purchased or SEIKO CUSTOMER SERVICE CENTER. Some other retailers may charge you for the length adjustment or may not undertake such treatments.
  • Page 19: How To Use An Adjustable Three-Fold Clasp

    How to use an adjustable three-fold clasp Magnetic resistance (Magnetic influence) Adjustable three-fold clasp Affected by nearby magnetism, a watch may temporarily gain or lose time or stop operating. This watch is a magnetic resistant watch that is fully compliant with JIS level-1 standard. Conditions of use Keep the watch more than 5 cm away from magnetic products.
  • Page 20: Lumibrite

    Lumibrite Troubleshooting If your watch has Lumibrite Troubles Possible causes Solutions Lumibrite is a luminous paint that absorbs light energy of the sunlight and lighting apparatus in a short Wind the mainspring or swing the time and stores it to emit light in the dark. For example, if exposed to a light of more than 500 lux for watch for a few times so that the approximately 10 minutes, Lumibrite can emit light for 3 to 5 hours.
  • Page 21 ■ SPECIFICATIONS (Movement) Cal. NO 6S37 6S77 6S78 Hour, minute, small seconds, center Hour, minute, small seconds, center chronograph, Cal. NO 6870 6890 6899 6898 chronograph, chronograph Features chronograph 30-minute, and chronograph 12-hour hands, 30-minute, and Hour, minute, and date, and power reserve indicator Features Hour and minute hands chronograph 12-hour...

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