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82xx Dial side mechanism
xx Dial side mechanism xx Dial side mechanism
xx Dial side mechanism (
((
(Quick day and date setting device
Quick day and date setting deviceQuick day and date setting device
Quick day and date setting device)
))
)  
    
  
The function of dial side mechanism is divided into the
following three conditions.
①Main spring winding condition (Fig-3)
The clutch wheel is controlled from yoke to the basic plate stem
side and engaged with the crown wheel on the barrel and train
wheel bridge side, thus winding the mainspring.
②Quick day and date setting condition (Fig-4)
At the position where the crown is pulled out one step, the clutch
wheel is moved to the center position by the yoke and the two
protuberance on the periphery of clutch wheel actuate the date
corrector to the direction shown by the arrow mark.
●Quick date setting
When the crown is rotated counterclockwise, the pawl on the
date dial of the quick correction lever is moved to the direction
shown by the arrow mark, thus sending the teeth of date dial one
by one.
●Quick day setting
When the crown is rotated clockwise, the pawl on the day dial
side of quick correction lever moves to the direction of arrow
mark, thus sending the teeth of day dial one by one.
③Hand setting condition (Fig-5)
At the position where the crown is pulled out two steps, the
clutch wheel is moved by the yoke to the setting wheel side and
hands can be set.
④Layout of parts for dial side
Date dial and day dial are disengaged.
Fig-3
Fig-4
Fig-5
Minute Wheel
Setting Wheel
Date Jumper
Day Dial
Driving Wheel
Date Dial
Driving Wheel
Intermediate
Date Wheel
Hour Wheel
Cannon Pinion
Date Corrector Spring Yoke
Setting Lever
Clutch Wheel
Setting Stem
Minute Wheel Guard
Date Corrector
Setting Lever Spring
4


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