this post was submitted on 29 Nov 2023
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It's a Miyota 9015, which isn't a certified movement and is highly unlikely to ever be as accurate as +/-2 seconds a day. Their -5/+15 is what you should expect.
Hell, +/- 2 seconds a day is more accurate than CSOS or METAS Chronometre standards. You're going to have to start looking at some higher end pieces for that level of accuracy in a mechanical watch.