GMTdifferential is calculated by this watch based on Universal Time Coordinated (UTC) data. biaoshang.com.cn biaoshang.com.cn 该响声是由于自动时间显示功能的机械动作所 引起,并非表示手表发生了问题。 biaoshang.com.cn biaoshang.com.cn The regular press releases are issued to the media at 4:30 ...