7
TECHNICAL GUIDE
Cal. 5M42A, 5M43A
3
Holding ring for dial
If the watch is of the one-piece case type, the movement is
fixed to the case in such a manner that the four hooking
portions of the holding ring for dial catch the case.
•
How to remove
1)
While pushing the lever for unlocking stem with
tweezers, pull out the winding stem.
2)
Push the protrusions of the four hooking portions
toward the center of the dial with a screwdriver as
shown in the illustration to release them from the
case.
3)
Insert the tip of tweezers into each of the grooves of
the holding ring for dial positioned at 1, 5 and 9
o'clock sides, and pry the ring up to remove the
movement.
•
How to install
Set the movement level into the case, and push the
hooking portions of the holding ring for dial with a
screwdriver until they catch the case.
Note:
Check that each of the four hooking portions
catches the case securely, and then, tighten the
eccentric posts to fix the dial.
Holding ring for dial
Casing spring
Case
Bezel
Lever for unlocking stem
Note:
Two eccentric posts are used to fix the dial to the
main plate. To remove the dial, loosen them.