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SMP Auto Accuracy

I finally gave in to temptation and bought myself a full-size, blue face, blue bezel, stainless steel Seamaster Professional Automatic Chronometer last week.

I set it against an accurate time source (Ceefax time, for anyone who's interested and knows what Ceefax is) shortly after I bought it, and it lost two seconds within a 24 hours, but then seemed to stay static. I set it again over the weekend, and the exact same thing happened - within a six hours, it had lost two seconds, but then stayed static at +2.

I'm not at all worried about this - I understand that it's a new watch and needs time to settle in, mechanical movements aren't going to be 100% accurate and, in any case, it's well within COSC tolerances.

But, as my newest toy, I'm just kind of interested in it's behaviour, and I was curious as to whether anyone else had noticed similar behaviour with their Seamaster.

I'm going to start keeping a record of it's accuracy twice a day, out of interest. Has anyone else done something similar?

Background info - watch was wound when bought (had stopped in the display case) and was wound again over the weekend and is worn 24 hours a day.

Jack

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SMP Auto Accuracy
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