I got the watch a couple weeks ago from my friend. The watch kept time pretty good, until recently. I play drums occasionally and I had Raketa with me, while I played (I just realized everything right after).
What happened, I believe, is the watch was subjected shock and since it's not a shock resistant, something happened, which resulted in gaining a 1 minute per hour.
This day is the third day of my observations. I found some instruction how to adjust it manually, but it looks it is still ahead.
The movement is: 2509HA
Could anyone advise what to do? And if it's a serious problem, how much it may cost to get it fixed.
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