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Showing results for tags 'beat rate'.
Found 2 results
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I have a 1969 Stowa “Big Eyes” with a 7730 movement. I have been able to adjust the beat error within a tolerable amount but I am having trouble with the beat rate. I have run out of room on the amount that I can adjust the beat rate regulator down. As it sits now I’m gaining about four minutes a day. I’m looking for a solution. I’m wondering if it is possible to take off the hairspring from the beat rate regulator separate from the one for the beat error adjustment and move it to the other side with the hairspring reattached so that I have more room to slow it down? Please give me your suggestions my knowledge on this is very limited. Here are a couple of pictures one of the watch end of the movement and the reading I was able to get with the beat error adjusted to a tolerable range. You can see where the regulators are sitting at in the picture from what’s shown on the read out.
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I just testing out this Classic 1501 with 1570 cal. Dial down position runs good but when the dial face up the rate dramatically change, could it be magnetized ? , I remember cleaning this in ultrasonic and I also remember one vdo in Mark channel show the magnetized movement got weird pattern like this.
