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Seiko S651A Service Manual page 3

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3. HOW TO REMOVE / ATTACH THE AIR CHAMBER
(Shaded portion)
[ 6 o'clock side ]
How to remove
1
While squeezing the air pump at the 6 o'clock
side with a finger, pull the air chamber from the
case back side through the case hole (the shaded
portion in the illustration) to remove it from the
case.
How to attach
1
Set the air release portion at the 12 o'clock side
to the slot, and turn it 90° to fix it to the case.
* Check that the tip of the air chamber is set securely in position as illustrated below. Otherwise, the ring may come
off while the watch is being worn on the wrist.
Case
Air pump
Case hole
[Setting position of the tip of the air chamber at the 6 o'clock side]
2
Turn the air release portion at the 12 o'clock
side 90° counterclockwise to fit it into the slot.
Then, pull it out from the case.
2
While squeezing the air pump, put it through
the case hole at the 6 o'clock side (the shaded
portion in the illustration).
Air pump
Tip of the air chamber
Slot
Case
Air release portion
Air chamber
[ 12 o'clock side ]

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