The DS-8 chronograph from Certina adds a new complication indicating the mean duration of the cycle and quarters of the moon. So as to position this function at 10 o’clock, the high-precision PrecidriveTM movement offers an original layout of the chronograph counters. While the 12-hour display appears through an aperture inside the 60-minute counter, 60-seconds timing is done by a central sweep-seconds hand. http://forums.watchuseek.com/f578/baselworld-2015-certina-chronographe-ds-8-phase-de-lune-1718082.html

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