Seiko Group 9T82A specifications For both types, How to install the hour hand

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TECHNICAL GUIDE

Cal. 9T82A

3Bezel gasket

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

4Winding 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

7Buttons

Lubricating

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

8Hour, 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.

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.

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

Hour hand

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Lubricating:

: SEIKO Watch Oil S-6

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Contents Specifications Cal. No 9T82AParts Catalogue Lubricating Types of oil Oil quantityConventional type Parts Catalogue Technical Guide How to removeHow to install Remarks on Disassembling and ReassemblingFor one-piece case type How to fix the bezel screws with the adhesiveLubricating Remarks on the adhesiveHow to install the hour hand For both typesWhen the stopwatch Is reset to Is not reset to Checking the time period of date change II. Value Checking and AdjustmentResetting the stopwatch hands to 0 position Remarks on measuring time accuracy