Why can’t the mechanical watch is adjusted to no error

        why can’t the mechanical watch is adjusted to no error? Swiss watch brand, brand watches,http://www.heels4usale.com, mechanical watches,www.timesaleon.com, ultra-thin couples watches, quartz watches, sapphire watch           mechanical watch accuracy depends mainly on the balance wheel hairspring produces frequency stability degree to ensure. Due to internal and external table machine in use process many factors, resulting in the balance wheel hairspring harmonic vibration, so watch errors, carefully adjusting also can make the error decreases relatively, but can not be completely ruled out,Hublot watches, so,http://www.timeon24.com, watch as long as consistent with the table when the precision index, namely qualified table.

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