In 2013, the company Ronda has developed a new quartz caliber Z60. This is the first mechanism in dimension of 13 ¼'' 'with the chronograph function. The diameter of the mechanism - 30 mm, height - 4.6 mm.
New quartz caliber Z60 by Ronda
The calibre provides the ability to use the central second’s hand and a 30-minute counter. Moreover, the aperture is located on the dial with the small second’s hand and the pointers of the day and date.
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