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Seiko 4R35A - Oscillating Weight Reassembly

Seiko 4R35A
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TECHNICAL GUIDE
Cal. 4R35A
13/18
HOW TO REASSEMBLE OSCILLATING WEIGHT
Enlarged view
OSCILLATING WEIGHT
When fixing the OSCILLATING WEIGHT, an
alignment with the FIRST REDUCTION WHEEL
is necessary in order to wind the MAINSPRING
most efciently.
R
otate the FIRST REDUCTION WHEEL manually
until its hole aligns with the gilt dot on the
BALAN
CE COCK and set the OSCILLATING
WEIGHT vertically at the stem side, and then
tighten the screw. Refer to the figure below.

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