[Translate to Chinese:]
机芯的大夹板刻有机芯版本编码，使能找出相应机芯版本的技术指引。机芯版本由编码的第二个字母代表。而编码是位于电池之下。
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![[Translate to Chinese:]](/fileadmin/_processed_/1/7/csm_Meca-Code_85d6d87bb7.png "[Translate to Chinese:]")