The Timex Ironman 30 lap provides a 100 hour chronograph, 30 lap memory recall, a 99 lap counter and also is equipped with a nightlight.
天美铁人三项30圈提供100小时计时码表，30圈的内存召回，99圈的计数器，并配备夜灯。
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For chronograph functions, the 6 o'clock counter displays hours, the 30-minute counter at 3 o'clock displays minutes and seconds sweep by on the central hand.