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TECHNICAL GUIDE

Cal. 9T82A

Lubricating:

: SEIKO Watch Oil S-6

3

Bezel gasket

Never apply the silicone oil to the bezel gasket.  Otherwise, the silicone oil may spread to the dial or other
parts, causing malfunctions.

4

Winding stem with crown

How to remove

Push the lever for unlocking stem between the dial and the case vertically down with tweezers, and
remove the winding stem with crown.

For both types

7

Buttons

Lubricating

Apply SEIKO Watch Oil S-6 to the end portions of the buttons that touch the lever.

8

Hour, minute and second hands

How to install the hour hand

The watch is provided with the instant date change mechanism.  In order for the date to change at
the exact time, install the hands following the procedure below.

1.

Slowly turn the crown counterclockwise.
Stop turning the crown when the date has
changed.

2.

Install the hour hand so that it points slightly
ahead of the 12 o’clock marker (See the
illustration at right).

3.

Install the minute and second hands so
that they point exactly to the center of the
12 o’clock marker.

Hour hand

Install the hour hand so that
its tip points to the right end
of the 12 o’clock marker.

Notes:

* Check clearance among the hands at the 12,

3, 6 and 9 o’clock positions lest they should
touch one another.

* Some models have hands coated with

LumiBrite.  When handling the hands,
therefore, take care not to damage the
LumiBrite coating.

Summary of Contents for 9T82A

Page 1: ...rature range less than 15 seconds Regulation system Logical regulation system Measuring gate by quartz tester Use 10 second gate Power supply Automatic generating system Power generator PARTS CATALOGUE TECHNICALGUIDE Cal 9T82A For Movement Replacement Movement size Outside diameter ø33 0 mm Casing diameter ø30 0 mm Height 6 8 mm Time indication Time Hour minute and second hands Stopwatch Stopwatch...

Page 2: ...e shown after the part name Cal 9T82A 1 Bezel screw page 5 2 Bezel 4 Winding stem with crown page 6 5 Movement 6 Casing ring 3 Bezel gasket page 6 One piece case type Conventional type 1 Case back page 4 2 Case back gasket 4 Casing clamp page 4 5 Winding stem with crown page 5 6 Movement page 5 3 Casing clamp screw Button spring clip Button spring clip 7 Button A page 6 7 Button B page 6 7 Button ...

Page 3: ...ond hand page 7 10 Stopwatch second hand page 7 8 Hour minute and second hand page 6 Please see the page shown after the part name When reassembling the watch be sure to use a new set of stopwatch hands If the old stopwatch hands are reused they may come off from the shock when they are reset to 0 position ...

Page 4: ... diagonal direction After tightening once give the screws another turn to fix them securely 4 Leave the watch untouched at room temperature for about one day until the adhesive is completely hardened Notes Apply only a necessary amount of adhesive to the hole lest it should come out on the case Take care not to let the adhesive stick to the inner surface of the case Case back screw Case back Case ...

Page 5: ...crews How to fix the bezel screws with the adhesive 1 Wipe any adhesive oil dust or dirt off the screws and the holes for screws on the case with alcohol 2 Before setting the bezel to the case apply a proper amount of the adhesive to the holes for screws as shown at right 3 Set the bezel to the case and then tighten the bezel screws firmly Tighten the screws one by one in diagonal direction After ...

Page 6: ...provided with the instant date change mechanism In order for the date to change at the exact time install the hands following the procedure below 1 Slowly turn the crown counterclockwise Stop turning the crown when the date has changed 2 Installthehourhandsothatitpointsslightly ahead of the 12 o clock marker See the illustration at right 3 Install the minute and second hands so that they point exa...

Page 7: ...k position and push them in completely Notes Push in the hand securely until the lower end of the hand installing pipe A in the illustration reaches below the D shaped notch of the arbor Check that the stopwatch hour and minute hands do not touch each other D shaped notch A 12 Dial How to remove Turn the eccentric posts counterclockwise to release the dial legs and remove the dial The dial is fitt...

Page 8: ...od specified above Remarks on measuring time accuracy To measure the time accuracy be sure to reset the stopwatch to 00 If the accuracy measurement is made while the stopwatch is counting stable measurements may not be obtained Current consumption Current consumption measurement of Cal 9T82A requires special tools and the movement could be damaged during the procedure of current consumption measur...

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