Thank you very much for choosing a Grand Seiko watch. For proper and safe use of your Grand Seiko watch, please read the instructions carefully in this booklet before using it. Keep this manual handy for easy reference. Length adjustment service for metallic bands is available at the retailer from whom the watch was purchased.
The caliber number is a four-digit number that indicates the model of a movement (mechanical part of a watch). The Grand Seiko watch is mounted with an exclusive Immediately stop wearing the watch in the following cases.
When diving, strictly performance of the watch is deteriorated. Immediately consult the retailer from whom the watch was purchased or Grand Seiko international service abide by the rules of diving. network mentioned on CERTIFICATE OF GUARANTEE or our website.
○ While diving ■NAMES OF THE PARTS Make sure to observe the following instructions when you wear 9F83 the watch while diving. Minute hand Hour hand Wear the watch air diving within the Do not operate the crown or buttons water depth indicated on the dial.
■HOW TO USE 9F61, 8J55, 4J51 Minute hand Crown Hour There are two types of crowns; a normal crown and a screw-lock crown. hand Normal crown W h i l e p r e s s i n g crown Pull out the crown and the crown turns.
Date adjustment at the end of the month HOW TO USE (FOR CAL. 9F83) It is necessary to adjust the date after February (which has 28 days, 29 days in a leap year) and a 30 day month. CAUTION You may not be able to set the date and/or day when the time on your watch 【Ex.】 T o adjust the date in the a.m.
Date adjustment at the end of the month HOW TO USE (FOR CAL. 9F82, 9F62) It is necessary to adjust the date after February (which has 28 days, 29 days in a leap year) and a 30 day month. CAUTION You may not be able to set the date when the time on your watch is between 【Ex.】 T o adjust the date in the a.m.
HOW TO USE HOW TO USE (FOR CAL. 9F61, 4J51) (FOR CAL. 4J52) How to set the time CAUTION ① Pull out the crown when the If you set the date when the time on your watch is between 9:00 p.m. and 3:00 a.m., the date may not change correctly on the following day due to the second hand is at the 12 o'clock mechanism of the watch.
Date adjustment at the end of the month HOW TO USE (FOR CAL. 8J55) It is necessary to adjust the date after February (which has 28 days, 29 days in a leap year) and a 30 day month. This watch features a time difference adjustment function. The hour hand can be easily adjusted in one-hour increments without stopping the 【Ex.】 T o adjust the date in the a.m.
■FUNCTIONS OF DIVER’S MODEL Diver adjuster If your watch has a metal bracelet equipped with a diver adjuster Unidirectional rotating bezel mechanism, you can easily adjust the bracelet length by yourself. This is very useful when you wear the watch over a wetsuit or a By using the rotating bezel, you can measure the elapsed time heavy winter clothing.
Jan.-Mar. Replacement parts Apr.-Jun. Oct.-Dec. ○ SEIKO makes it a policy to typically keep a stock of replacement parts for this watch for 10 years. Replacement parts are those which are essential to maintaining the functional integrity of the watch.
“Replacement parts”. ○ For length adjustment service of metallic band, ask the retailer from whom the watch was purchased or Grand Seiko international service network mentioned on CERTIFICATE OF GUARANTEE or our website. Other retailers may undertake the service on a chargeable basis or may not undertake the service.
Band Magnetic resistance (Magnetic influence) The band touches the skin directly and becomes dirty from sweat or dust. Therefore, Affected by nearby magnetism, a watch may temporarily gain or lose time or stop operating. lack of care may accelerate deterioration of the band or cause skin irritation or stain Indication on the case back Condition of use Certified level...
Lumibrite Troubleshooting If your watch has Lumibrite Troubles Possible Causes Solutions Lumibrite is a luminous paint that is completely harmless to human beings and The watch stops Consult the retailer from whom the the natural environment; containing no noxious materials such as radioactive The battery runs down.
When the adjustment takes place, the standard time should be corrected by delaying the standard time one second. To keep your Grand Seiko watch accurate with the world standard time, adjust your watch to a time signal whenever such adjustment is made. According to the information from the observatories all over the world, the standard time is delayed one second simultaneously throughout the world by the Greenwich Royal Observatory.