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I'm not fully experienced yet with having just recently purchased an AC end of last year, but I would say it doesn't really matter (winder or no winder).
If you like interacting with your watch or won't be wearing it too often, then simply leave it as-is and spend a few minutes setting the time.
If you wear often enough (perhaps the power reserve can last long enough) or if you hate setting the time, then get a nice winder.
I don't think there are any negatives other than the usual wear and tear of simply time passing and typical service intervals.
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