Hi everyone. Have been a very happy owner of Flieger Classic for 3 years and time-wise, it has been great and only needed to make a minor time adjustment every month or so. The last few months though I’ve noticed it is running slow and if I don’t adjust it once a week it will be well out of time. Just did a check and it amounts to losing 20 seconds a day – not good! This is my first mechanical watch so new to all this so just seeking advice on what could be done to address this? Movement is…
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