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(
((
(5
55
5)
))
)Structure
Structure Structure
Structure
6
66
6T
TT
T51
5151
51Dial side mechanism
Dial side mechanismDial side mechanism
Dial side mechanism
①Quick date setting device (Fig-1)
・The crown position can be switched to 3 positions:
A,mainspring winding: B, day and time settings: C, date setting (B⇔C).
・When the crown is pulled out from position B to C,
the date corrector turns a fixed angle by the setting
lever pin through the date corrector connection lever.
Through this motion, the tip of the date corrector pushes
the date dial teeth to advance the date dial by one day.
・When the crown is released at C position, the date
corrector, date corrector connection lever, setting
lever and the crown are returned to the B position
through the spring power of the date corrector.
When the date corrector returns, the date corrector
finger is pushed against the date corrector finger
pin by the fingerspring so the tip of the date
corrector finger returns without touching the date
dial teeth.
◎The power transmitting process is as follows.
②Day and date mechanism (Fig-2)
The rotation of the hour wheel is transmitted to the date
dial driving wheel, which rotates once a day, via the
intermediate date dial driving wheel and the date dial is
advanced by the date dial driving finger, whereas the day
dial is advanced by the day dial driving wheel via the day
dial driving finger.
◎The power transmitting process is as follows.
Setting Lever
Date Corrector
Connection Lever
Setting Lever Pin
Date Corrector Lever Date Corrector Finger
Date Dial
Fig-1
Setting Lever
Setting Lever Pin
Date Corrector
Connection Lever
Date Corrector
Finger Date Corrector
Lever
Fig-2
Intermediate
Date Wheel
Day Dial
Driving Wheel
Day Dial
Date Dial
Date Dial
Driving Wheel
Hour Wheel
Intermediate Date Wheel
Date Dial Driving Wheel
Date Dial Driving Finger
Date Dial
Day Dial
Day Dial Driving Finger
Day Dial Driving Wheel
3


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