1 Auxiliary main plate
1. Set the auxiliary main plate.
2. Tighten the auxiliary main plate screw.
1. Set the day driving wheel.
2. Set the day-date corrector setting unit.
3. Set the day star.
* Make sure that the day driving wheel and day
star are correctly engaged as shown in the
illustration.
Day driving wheel
Day star
Day jumper
4. Set the day jumper.
* Make sure that the day jumper and the day
star are correctly engaged as shown in the
illustration.
Day star
1 Day driving wheel
2 Day-date corrector
setting unit
3 Day star
4 Day jumper
ReAssemble the movement
14
15
Align the tip of gear
teeth of the day star with
the notch on the day
driving wheel to ensure
proper orientation.
TECHNICAL GUIDE
Cal. 6R20A
17/24
