The first clock with good enough mechanics to even count seconds was made by Christiaan Huygens, using a pendulum just under a meter long that swung once a second.

第一个机械性能好到可以计时的时钟是由克里斯蒂安·惠更斯制造的，它使用的钟摆不到一米长，每秒摆动一次。