: I was not aware that you can regulate this
: movement. I have the smae movement in a
: later model 2000 chrono. Can you please tell
: me how to regulate? Thanks!
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You Have the correct tool to open her up 1st so no scratches. If you live in N calif. I will do it for you No charge no drop off.

1st you will see a brass type sloted screw the bigest one on the movement. there will be a < > by it.
Now if your off say a 1-3 seconds + per week. Just a slite bit of turn counter clock wise<.

I mean slite!!! with a 10 Loup you will think maybe I did not turn it. It is that senstive.

In a few weeks it will be spot on.
Mine after service and a reg. is spot on for months now.
I change it only at Day light saving time 2 times a year. or when I find it to look at/wear.
Enjoy that Baby.
and you guys who dont have one. get one.
But dont pay to much as trully there are no parts for them. There are more parts for our loved Cal 11 micro autos chronos then this its seems.
2 beats per second. Neet-O-
PSB
I am sorry I can not post a photo for you.
PS.
If you are not proficient with instrument tools
do not try as there could be unfixible damage.
Good luck.
Peter