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PARTS CATALOGUE / TECHNICAL GUIDE
Cal. 9T82A
(For Movement Replacement)
[SPECIFICATIONS]
Cal. No.
9T82A
Item
Movement
(x 1.0)
Movement
Outside diameter ø33.0 mm
size
Casing diameter ø30.0 mm
Height 6.8 mm
Time indication • Time: Hour, minute and second hands
• Stopwatch: Stopwatch hour, minute, second and 1/10 second hands
Driving system Step motor (Load compensated driving pulse type)
• Automatic generating system
Additional mechanism
• Stopwatch function with stopwatch hour, minute, second
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Cal. 9T82A PARTS CATALOGUE Disassembling procedures Figs. : 1 → 12 Reassembling procedures Figs. : 12 → 1 Lubricating: Types of oil Oil quantity SEIKO Watch Oil S-6 Normal quantity Silicone oil 500,000 c.s. Adhesive (LOCTITE 241) Conventional type One-piece case type 1 Bezel screw (page 5) 1 Case back (page 4) 2 Bezel 2 Case back gasket 3 Bezel gasket (page 6) 3 Casing clamp screw 4 Casing clamp 5 Movement (page 4) 6 Movement (page 5) 6 Casing ring Button spring clip 7 Button A (page 6) Button s
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PARTS CATALOGUE Cal. 9T82A 8 Hour, minute and second hand (page 6) 9 Stopwatch 1/10 second hand (page 7) 10 Stopwatch second hand (page 7) 11 Stopwatch hour and minute hands (page 7) 12 Dial (page 7) * 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. Please see the page shown after the part name. ➡ 3
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Cal. 9T82A TECHNICAL GUIDE I. REMARKS ON DISASSEMBLING AND REASSEMBLING For conventional type 1 Case back · To fix the case back to the case, the case back itself is screwed into the case, or the case back screws are used, depending on models. · For the models using the case back screws, use the adhesive “LOCTITE 241” to prevent them from loosening. Note: Never use an adhesive other than “LOCTITE 241” for fixing the case back screws. • How to fix the case back with the case back screws and the
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Cal. 9T82A TECHNICAL GUIDE 5 Winding stem with crown The crown gasket is attached inside the stem pipe of the case. • Lubricating Apply the silicone oil to the portion of the crown as indicated in the illustration at right. Insert the winding stem into the stem pipe, and turn the crown so that the silicone oil is spread thoroughly over the crown gasket. 6 Movement When installing the movement into the case, first set its 12 o’clock side to the case and then, other sides. Otherwise, the movement
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Cal. 9T82A TECHNICAL GUIDE 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
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Cal. 9T82A TECHNICAL GUIDE 9 Stopwatch 1/10 second hand 10 Stopwatch second hand 11 Stopwatch hour and minute hands * 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. • How to install 1. Reset the stopwatch to “00”. When the stopwatch is properly reset to “00”, the hammer appears in the eyehole “A” as shown below. Hammer When the stopwatch When the stopwatch [][
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Cal. 9T82A TECHNICAL GUIDE II. VALUE CHECKING AND ADJUSTMENT Resetting the stopwatch hands to “0” position Repeat “START” – “STOP” – “RESET” of the stopwatch several times to check if each of the three stopwatch hands returns to “0” position securely. Checking the time period of date change Specified time period of date change: 0:00 a.m. ~ 0:03 a.m. With the crown at the second click, advance the hour and minute hands until the date changes. Check if the date changes within the time period
