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L699 连拔纪念版 自动上弦腕表
连拔纪念版的使用方法
先让您的腕表与报时讯号同步。假设腕表显示的时
间是4时37分12秒,当天的时差即为减4分钟50秒。
现在,将表圈上的“15”向左转动4格。这些刻度显
示分钟,蚀刻在表壳的边缘。
您的腕表读数为:
秒针:中央表盘 3’
分针:表圈 10° 15’
时针:主表盘 60°
由于表圈只转动4分钟,尚有50秒需要
调整(当天的时差为减4分50秒)。
在中央表盘上,50与12½位置相对 ./. 12½’
格林威治太阳时间
(您的经度) 70° 5½’
超越时空的表面设计及其工作原理
连拔纪念版是根据地球自转与角度的关联设计而
得:24小时自转360°,12小时自转180°,1小时
自转15°,1分钟则自转15’。
因此:
时针每小时转动15°,每12小时在表面旋转一圈,等
于地球自转180°。
分针每4’移动1°,换句话说,每小时移动15°,这
15°被划分成四个15’,并刻在表圈上。
中央秒针完整转一圈等于一个15’,中央旋转表盘被
划分为60”和15’。
Book_I.indb 646Book_I.indb 646 27.01.20 09:5227.01.20 09:52
646


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