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Seiko 4R35A - Balance and Escapement Procedures

Seiko 4R35A
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TECHNICAL GUIDE
Cal. 4R35A
11/18
l
BALANCE AND ESCAPEMENT
How to disassemble/reassemble the BALANCE and BALANCE COCK
•
Disassembling
1
) Rotate the STUD SUPPORT until it touches to the BALANCE COCK.
When doing so, make sure that the second bend of the balance-spring does not touch the
REGULATOR PIN.
2
) Push out the stud parallel to the slit of the STUD SUPPORT (the direction also shown by the red
arrow in the illustration) in order to remove it from the STUD SUPPORT.
3
) Unscrew the BALANCE COCK SCREW and remove the BALANCE COCK WITH REGULATOR.
4
) Remove the BALANCE COMPLETE WITH STUD.