Seiko 7548 Support Question

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Question posted by bmb052 on July 11th, 2012

7548-7000 Circuit?

My 7548-7000 start to loose time. It is working fine for a week and the in few hours it loose ~10 min. and the continue to work fine (10 min behind). Locat Seiko technician checked it and told me that the electronic module need to be replaced. Does it mean I need to look for a new circuit? Where I can get parts? Is it right that coil and circuit from Seiko 7546 or Pulsar Y513 movement can be used?

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Related Seiko 7548 Manual Pages

Manual - Page 1

... quality. ENGLISH SEIKO QUARTZ DIVER'S WATCH Cal. 2625, 7548, 7549 INSTRUCTIONS Your SEIKO Quartz Diver's Watch is a battery-powered electronic wristwatch, incorporating a quartz crystal oscillator, and IC (integrated circuit) for excellent ...the battery needs to a pressure of K. It is a product of 15 atmospheres (150 meters or 500 ft.). Hattori & Co., Ltd., and its SEIKO industrial group.

Manual - Page 2

The extreme accuracy is cut at a special angle to achieve the precise oscillation rate and aged to assure the most stable oscillations over a long period of time. cro • Now SEIKO Quartz watches are changing the world's standard of the quartz crystal. A fixed voltage current passes through the crystal which is the result of the highly stable oscillations of accuracy.

Manual - Page 3

Frequency of 15 atmospheres (150 meters or 500 ft.) 8. IC (Integrated Circuit) : C-MOS-IC (Complementary Metal Oxide Silicon Integrated Circuit) • 7. Rotating ring: Can be rotated clockwise and counterclockwise. The 600 meter model . . Battery: Silver oxide battery U.C.C. 301 (Cal. 7548, 7549), SE IKO TR726SVV or SB-DL (Cal . 2625) .c 5. Water-resistance: 600 meter, 300...

Manual - Page 4

For the most accurate setting of the time, we suggest that you stop and the time is ready to be pulled out to the second click. The second hand will stop the second hand on the 12 o'clock mark. Set the hour and minute hands. SECOND Click: Stop the movement. a o 00 ° FIRST Click...

Manual - Page 5

...five minutes ahead and then return it to deter- If the calendar changes when the hour hand click, passes 12 o'clock, the time will then be set in the Depress the crown in the AM or PM crown out... to the Note: To set the correct time we suggest that you pulled the mine whether the watch is set in the PM period.• signal for exact to the second Period...

Manual - Page 6

...Cal. 7548, 7549: The calendar will change auto- Once you select your watch. The second Cal. 2625: The date will change automatically once hand continues to ...week O Day Date and language. The day of the week can be made between 9:30 P.M. first click. This is made before or after this time period. Cal. 2625: Turn It counter- TO SET THE CALENDAR 5 6 Cal. 7548...

Manual - Page 7

Be sure to the normal position and lock it in place by following instructions before the watch is used. TO LOCK THE CROWN 7 8 9 vDepress -C C • After all adjustments for the time and calendar are completed, push the crown back to read "BATTERY CHANGE" on page 8 and the following the procedures in place. wise...

Manual - Page 8

...in your watch should last approximately three years for Cal. 7548, 7549 (U.C.C. 301) or two years for battery x replacement. If the - 40- of number may be shortened to have the SEIKO SERVICE ...the battery once in the illustration below. 7 70 "•" mark showing the expected time for Cal. 2625 (SEIKO TR726SW or SB-DL). Year (1982) IW Each mark of the scale represents three...

Manual - Page 9

... smoothly (the rotation must not be too loose or too tight) and that Lai you contact a SEIKO SERVICE CENTER. If there are any visible cracks and/or breaks in two second intervals instead of the battery. (See "BATTERY CHANGE") • Check to see if the time and calendar are within the expected life of...

Manual - Page 10

...WATCH The crystal oscillator in your watch , we recommend you have little effect on your watch contains a highly precise electronic circuit, and to maintain its high accuracy, you should not subject the watch in fresh water and then wipe it in general use. PERIODICAL CHECK...your watch to sea water, rinse it dry. TO PRESERVE THE WATER RESISTANT QUALITY OF YOUR z SEIKO QUARTZ WATCH Please...