Seiko 8F35 - Manuals

5 English Before using the watch: ● Because the calendar is preadjusted at the factory, you only need to set the timeand date, and the calendar will automatically update itself. ● Before using the watch, be sure to read “HOW TO CHECK THE CALENDAR”,and then set the time and date correctly following t...

6 English HOW TO USE THE SCREW LOCK TYPE CROWN ● To unscrew the crown:Turn it counterclockwise. ● To screw in the crown:With the crown at normal position,turn it clockwise while pressing it. WARNING While you are underwater, never unscrew the crown or pull it out.

7 English TIME/DATE SETTING CROWN Unscrew. ▼ Pull out to second click when Second handis at the 12 o’clock position. ▼ Turn in either direction to set the time anddate. ▼ Push in in accordance with a time signal. ▼ Screw in completely. ➠ ➠

8 English HOW TO CHECK THE CALENDAR Unscrew. ▼ Pull out to first click, and push back in tonormal position within a second. CROWN ● The watch shows the calendar in the followingorder: 1. Leap year (Second hand) 2. Month (Calendar frame) ▲ 3. Date (Calendar frame) ▲ ▼ After checking the calendar, scr...

9 English 1. Leap year indication The second hand moves quickly at five-second intervals and stops to indicate thenumber of years that have passed since the last leap year. Before pulling out thecrown to the first click, check and remember where the second hand is so that you canread how many second...

12 English CAUTION Diving is an inherently hazardous form of recreation and it is essential that youstrictly observe all instructions for use and maintenance of the watch set forth inthis booklet for safety’s sake. DO NOT ATTEMPT TO DIVE USING THIS WATCHUNLESS YOU HAVE BEEN PROPERLY TRAINED IN DIVIN...

13 English ● Do not operate the crown when the watch is wet or in water. ● Take care not to hit the watch against hard objects such as rocks. ● Bezel rotation may become slightly harder in the water but this is not a malfunction. WHILE DIVING ● After checking that the crown is screwed in completely,...

14 English NOTES ON USING THE WATCH TIME/DATE SETTING ● When setting the date, turn the crown counterclockwise to advance the date and clockwise to moveit back. The date changes one day by turning the hour hand two full circles. ● The date changes between 11:45 p.m. and 0:30 a.m. while the watch is ...

15 English ● Note on the leap second One day normally is said to consist of 86,400 seconds. In fact, it can be longer or shorter thanthis because of irregular changes in the rotation cycle of the earth. When the accumulatedfluctuations in the length of a day total plus or minus one second, one secon...

17 English BATTERY CHANGE The miniature battery which powers your watch should last approximately 8 years . However, because the battery is inserted at the factory to check the function and performance of the watch, its actual life once in yourpossession may be less than the specified period. When t...

18 English Ex.) Expected time for battery change: April through June, 2007 Year (2007) “ ● ” mark showing the expected time for battery change Each graduation of the scalerepresents three months. ● Battery life indicator When the second hand starts moving at two-second intervals instead of the norma...

19 English * If the watch is left in very low temperatures, the second hand may temporarily start moving at two-second intervals and the date does not change to the next. When the watch returns to normal temperature,however, this condition will be corrected and the correct date will be displayed on ...

20 English SPECIFICATIONS 1 Frequency of crystal oscillator ................ 196,608 Hz (Hz = Hertz … Cycles per second) 2 Loss/gain (Annual rate) ............................ ± 20 seconds when used on the wrist approximately 12 hours a day, at normal temperature range (5 ° C ~ 35 ° C) (41 ° F ~ 95 ...